unapproachable

adjective

1 unapproachable islands:

inaccessible, out of reach, beyond reach, unreachable, remote, out of the way, isolated, far-flung, off the map, in the middle of nowhere, in the hinterlands;

informal off the beaten track, in the back of beyond, in the sticks, unget-at-able;

North American, informal jerkwater, in the tall timbers;

Australian, New Zealand, informal Barcoo, beyond the black stump.

▷antonyms accessible.

2 her boss appeared fierce and unapproachable:

aloof, distant, remote, detached, reserved, withdrawn, uncommunicative, guarded, undemonstrative, unresponsive, unforthcoming, unfriendly, unsympathetic, unsociable, cool, cold, icy, chilly, frosty, frigid, stiff, formal, dispassionate;

informal stand-offish, offish, off.

▷antonyms approachable, friendly.

unapproachable Oxford Dictionary of English