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EnglishMerriam-Webster Dictionary

a usually visible mass of minute particles suspended in the air or a gas

an aggregation of usually obscuring matter especially in interstellar space

an aggregate of charged particles (such as electrons)

a great crowd or multitude swarm //clouds of mosquitoes

something that has a dark, lowering, or threatening aspect //clouds of war //a cloud of suspicion

something that obscures or blemishes //a cloud of ambiguity

a dark or opaque vein or spot (as in marble or a precious stone)

the computers and connections that support cloud computing //storing files in the cloud —often used before another noun //cloud storage/backup //cloud software

verb

clouded; clouding; clouds

Definition (Entry 2 of 2)

intransitive verb
to grow cloudy —usually used with over or up //clouded over before the storm
of facial features to become troubled, apprehensive, or distressed in appearance //her face clouded with worry
to become blurry, dubious, or ominous —often used with over //the outlook is clouding over
to billow up in the form of a cloud
transitive verb
to envelop or hide with or as if with a cloud
to make opaque especially by condensation of moisture //steam clouded the windows
to make murky especially with smoke or mist //smoke clouded the sky
to make unclear or confused //cloud the issue
taint, sully //a clouded reputation
to cast gloom over //cloud prospects for success

Illustration

Noun

cloud 1: 1 cirrus, 2 cirrostratus, 3 cirrocumulus, 4 altostratus, 5 altocumulus, 6 stratocumulus, 7 nimbostratus, 8 cumulus, 9 cumulonimbus, 10 stratus

Other Words

Noun

cloudlike ˈklau̇d-ˌlīk or cloud-like adjective //cloudlike swirls //cloudlike chocolate mousse

Synonyms & Antonyms

Synonyms: Noun

darkness pall shadow

Synonyms: Verb

becloud bedim befog blacken blear blur darken dim dislimn fog fuzz (up) haze mist obscure overcast overcloud overshadow shadow shroud

Antonyms: Verb

brighten illuminate illumine light (up) lighten

Examples

Noun

//The sun is shining and there's not a cloud in the sky.
//flying high above the clouds
//It stopped raining and the sun poked through the clouds.
//a cloud of cigarette smoke
//The team has been under a cloud since its members were caught cheating.
//There's a cloud of controversy hanging over the election.

Verb

//greed clouding the minds of men
//These new ideas only cloud the issue further.
//The final years of her life were clouded by illness.

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

1548, in the meaning defined at transitive sense 1a

History and Etymology

Noun

Middle English, rock, cloud, from Old English clūd; perhaps akin to Greek gloutos buttock

cloud

verb

Synonyms & Antonyms (Entry 1 of 2)

to make dark, dim, or indistinct //the diner's dark interior, clouded with smoke and grease
Synonyms

becloud bedim befog blacken blear blur darken dim dislimn fog fuzz (up) haze mist obscure overcast overcloud
a usually visible mass of minute particles suspended in the air or a gas
an aggregation of usually obscuring matter especially in interstellar space
an aggregate of charged particles (such as electrons)
a great crowd or multitude swarm //clouds of mosquitoes
something that has a dark, lowering, or threatening aspect //clouds of war //a cloud of suspicion
something that obscures or blemishes //a cloud of ambiguity
a dark or opaque vein or spot (as in marble or a precious stone)
the computers and connections that support cloud computing //storing files in the cloud —often used before another noun //cloud storage/backup //cloud software

verb

clouded; clouding; clouds

Definition (Entry 2 of 2)

intransitive verb
to grow cloudy —usually used with over or up //clouded over before the storm
of facial features to become troubled, apprehensive, or distressed in appearance //her face clouded with worry
to become blurry, dubious, or ominous —often used with over //the outlook is clouding over
to billow up in the form of a cloud
transitive verb
to envelop or hide with or as if with a cloud
to make opaque especially by condensation of moisture //steam clouded the windows
to make murky especially with smoke or mist //smoke clouded the sky
to make unclear or confused //cloud the issue
taint, sully //a clouded reputation
to cast gloom over //cloud prospects for success

Illustration

Noun

cloud 1: 1 cirrus, 2 cirrostratus, 3 cirrocumulus, 4 altostratus, 5 altocumulus, 6 stratocumulus, 7 nimbostratus, 8 cumulus, 9 cumulonimbus, 10 stratus

Other Words

Noun

cloudlike ˈklau̇d-ˌlīk or cloud-like adjective //cloudlike swirls //cloudlike chocolate mousse

Synonyms & Antonyms

Synonyms: Noun

darkness pall shadow

Synonyms: Verb

becloud bedim befog blacken blear blur darken dim dislimn fog fuzz (up) haze mist obscure overcast overcloud overshadow shadow shroud

Antonyms: Verb

brighten illuminate illumine light (up) lighten

Examples

Noun

//The sun is shining and there's not a cloud in the sky.
//flying high above the clouds
//It stopped raining and the sun poked through the clouds.
//a cloud of cigarette smoke
//The team has been under a cloud since its members were caught cheating.
//There's a cloud of controversy hanging over the election.

Verb

//greed clouding the minds of men
//These new ideas only cloud the issue further.
//The final years of her life were clouded by illness.

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

1548, in the meaning defined at transitive sense 1a

History and Etymology

Noun

Middle English, rock, cloud, from Old English clūd; perhaps akin to Greek gloutos buttock

cloud

verb

Synonyms & Antonyms (Entry 1 of 2)

to make dark, dim, or indistinct //the diner's dark interior, clouded with smoke and grease
Synonyms

becloud bedim befog blacken blear blur darken dim dislimn fog fuzz (up) haze mist obscure overcast overcloud
a usually visible mass of minute particles suspended in the air or a gas
an aggregation of usually obscuring matter especially in interstellar space
an aggregate of charged particles (such as electrons)
a great crowd or multitude swarm //clouds of mosquitoes
something that has a dark, lowering, or threatening aspect //clouds of war //a cloud of suspicion
something that obscures or blemishes //a cloud of ambiguity
a dark or opaque vein or spot (as in marble or a precious stone)
the computers and connections that support cloud computing //storing files in the cloud —often used before another noun //cloud storage/backup //cloud software

verb

clouded; clouding; clouds

Definition (Entry 2 of 2)

intransitive verb
to grow cloudy —usually used with over or up //clouded over before the storm
of facial features to become troubled, apprehensive, or distressed in appearance //her face clouded with worry
to become blurry, dubious, or ominous —often used with over //the outlook is clouding over
to billow up in the form of a cloud
transitive verb
to envelop or hide with or as if with a cloud
to make opaque especially by condensation of moisture //steam clouded the windows
to make murky especially with smoke or mist //smoke clouded the sky
to make unclear or confused //cloud the issue
taint, sully //a clouded reputation
to cast gloom over //cloud prospects for success

Illustration

Noun

cloud 1: 1 cirrus, 2 cirrostratus, 3 cirrocumulus, 4 altostratus, 5 altocumulus, 6 stratocumulus, 7 nimbostratus, 8 cumulus, 9 cumulonimbus, 10 stratus

Other Words

Noun

cloudlike ˈklau̇d-ˌlīk or cloud-like adjective //cloudlike swirls //cloudlike chocolate mousse

Synonyms & Antonyms

Synonyms: Noun

darkness pall shadow

Synonyms: Verb

becloud bedim befog blacken blear blur darken dim dislimn fog fuzz (up) haze mist obscure overcast overcloud overshadow shadow shroud

Antonyms: Verb

brighten illuminate illumine light (up) lighten

Examples

Noun

//The sun is shining and there's not a cloud in the sky.
//flying high above the clouds
//It stopped raining and the sun poked through the clouds.
//a cloud of cigarette smoke
//The team has been under a cloud since its members were caught cheating.
//There's a cloud of controversy hanging over the election.

Verb

//greed clouding the minds of men
//These new ideas only cloud the issue further.
//The final years of her life were clouded by illness.

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

1548, in the meaning defined at transitive sense 1a

History and Etymology

Noun

Middle English, rock, cloud, from Old English clūd; perhaps akin to Greek gloutos buttock

cloud

verb

Synonyms & Antonyms (Entry 1 of 2)

to make dark, dim, or indistinct //the diner's dark interior, clouded with smoke and grease
Synonyms

becloud bedim befog blacken blear blur darken dim dislimn fog fuzz (up) haze mist obscure overcast overcloud
a usually visible mass of minute particles suspended in the air or a gas
an aggregation of usually obscuring matter especially in interstellar space
an aggregate of charged particles (such as electrons)
a great crowd or multitude swarm //clouds of mosquitoes
something that has a dark, lowering, or threatening aspect //clouds of war //a cloud of suspicion
something that obscures or blemishes //a cloud of ambiguity
a dark or opaque vein or spot (as in marble or a precious stone)
the computers and connections that support cloud computing //storing files in the cloud —often used before another noun //cloud storage/backup //cloud software

verb

clouded; clouding; clouds

Definition (Entry 2 of 2)

intransitive verb
to grow cloudy —usually used with over or up //clouded over before the storm
of facial features to become troubled, apprehensive, or distressed in appearance //her face clouded with worry
to become blurry, dubious, or ominous —often used with over //the outlook is clouding over
to billow up in the form of a cloud
transitive verb
to envelop or hide with or as if with a cloud
to make opaque especially by condensation of moisture //steam clouded the windows
to make murky especially with smoke or mist //smoke clouded the sky
to make unclear or confused //cloud the issue
taint, sully //a clouded reputation
to cast gloom over //cloud prospects for success

Illustration

Noun

cloud 1: 1 cirrus, 2 cirrostratus, 3 cirrocumulus, 4 altostratus, 5 altocumulus, 6 stratocumulus, 7 nimbostratus, 8 cumulus, 9 cumulonimbus, 10 stratus

Other Words

Noun

cloudlike ˈklau̇d-ˌlīk or cloud-like adjective //cloudlike swirls //cloudlike chocolate mousse

Synonyms & Antonyms

Synonyms: Noun

darkness pall shadow

Synonyms: Verb

becloud bedim befog blacken blear blur darken dim dislimn fog fuzz (up) haze mist obscure overcast overcloud overshadow shadow shroud

Antonyms: Verb

brighten illuminate illumine light (up) lighten

Examples

Noun

//The sun is shining and there's not a cloud in the sky.
//flying high above the clouds
//It stopped raining and the sun poked through the clouds.
//a cloud of cigarette smoke
//The team has been under a cloud since its members were caught cheating.
//There's a cloud of controversy hanging over the election.

Verb

//greed clouding the minds of men
//These new ideas only cloud the issue further.
//The final years of her life were clouded by illness.

First Known Use

Noun

14th century, in the meaning defined at sense 1

Verb

1548, in the meaning defined at transitive sense 1a

History and Etymology

Noun

Middle English, rock, cloud, from Old English clūd; perhaps akin to Greek gloutos buttock

cloud

verb

Synonyms & Antonyms (Entry 1 of 2)

to make dark, dim, or indistinct //the diner's dark interior, clouded with smoke and grease
Synonyms

becloud bedim befog blacken blear blur darken dim dislimn fog fuzz (up) haze mist obscure overcast overcloud document.head.appendChild(el))