off colour

adjective

1 British I'm feeling a bit off colour:

unwell, ill, poorly, bad, out of sorts, indisposed, not oneself, sick, queasy, nauseous, nauseated, peaky, liverish, green around the gills, run down, washed out;

British off;

informal under the weather, below par, not up to par, funny, peculiar, rough, lousy, rotten, awful, terrible, dreadful, crummy;

British, informal grotty, ropy;

Scottish, informal wabbit, peely-wally;

Australian, New Zealand, informal crook;

vulgar slang crappy;

dated seedy.

▷antonyms well, fit.

2 off-colour jokes:

smutty, dirty, rude, filthy, crude, suggestive, indecent, indelicate, indecorous, risqué, racy, bawdy, naughty, spicy, blue, vulgar, ribald, broad, salacious, coarse, obscene, pornographic;

informal raunchy;

British, informal fruity, near the knuckle, saucy;

euphemistic adult.

off colour Oxford Dictionary of English