Synonyms of blue in English:

blue


See definition of blue

adjective

1‘she had bright blue eyes’

SYNONYMS
sky blue, azure, cobalt, cobalt blue, sapphire, cerulean, navy, navy blue, saxe, saxe blue, Oxford blue, Cambridge blue, ultramarine, lapis lazuli, indigo, aquamarine, turquoise, teal, teal blue, cyan, of the colour of the sky, of the colour of the sea

2‘Dad had died that year and Mum was feeling a bit blue’

SYNONYMS
depressed, down, sad, saddened, unhappy, melancholy, miserable, sorrowful, gloomy, dejected, downhearted, disheartened, despondent, dispirited, low, in low spirits, low-spirited, heavy-hearted, glum, morose, dismal, downcast, cast down, tearful
informal down in the dumps, down in the mouth, fed up
ANTONYMS

happy, cheerful

3‘a blue movie’

SYNONYMS
indecent, dirty, rude, coarse, vulgar, bawdy, lewd, racy, risqué, salacious, naughty, wicked, improper, unseemly, smutty, spicy, raw, off colour, ribald, Rabelaisian
pornographic, filthy, obscene, offensive, prurient, sordid, low, profane, foul, vile
erotic, arousing, sexy, suggestive, titillating, explicit
informal near the bone, near the knuckle, nudge-nudge, porn, porno, X-rated, triple-X, XXX, raunchy, skin
British informal fruity, saucy
euphemistic adult
ANTONYMS

clean, family