Synonyms of bad in English:

bad


See definition of bad

adjective

1‘bad workmanship’

SYNONYMS

substandard, poor, inferior, second-rate, second-class, unsatisfactory, inadequate, unacceptable, not up to scratch, not up to par, deficient, imperfect, defective, faulty, shoddy, amateurish, careless, negligent

dreadful, awful, terrible, abominable, frightful, atrocious, disgraceful, deplorable, hopeless, worthless, laughable, lamentable, miserable, sorry, third-rate, diabolical, execrable

incompetent, inept, inexpert, ineffectual

informal crummy, rotten, pathetic, useless, woeful, bum, lousy, ropy, appalling, abysmal, pitiful, God-awful, dire, poxy, not up to snuff, the pits

British informal duff, chronic, rubbish, pants, a load of pants

vulgar slang crap, shit, chickenshit

rare egregious

ANTONYMS

good, excellent, skilled

2‘the alcohol is having a bad effect on her health’

SYNONYMS

harmful, damaging, detrimental, undesirable, injurious, hurtful, inimical, dangerous, destructive, ruinous, deleterious

unhealthy, unwholesome

ANTONYMS

good, beneficial

3‘she had heard about him and his dissolute, bad life’

SYNONYMS

wicked, sinful, immoral, evil, morally wrong, corrupt, base, black-hearted, reprobate, depraved, degenerate, dissolute, amoral

criminal, villainous, nefarious, iniquitous, dishonest, dishonourable, unscrupulous, unprincipled

informal crooked, bent, dirty

archaic dastardly

ANTONYMS

virtuous

4‘Tilda! You bad girl!’

SYNONYMS

naughty, badly behaved, disobedient, wayward, wilful, self-willed, defiant, unruly, insubordinate, undisciplined, unmanageable, uncontrollable, ungovernable, unbiddable, disruptive, rebellious, refractory, recalcitrant

mischievous, full of mischief, playful, impish, roguish, puckish, rascally, prankish, tricksy

informal brattish, scampish

Scottish informal gallus

archaic contumacious

ANTONYMS

well behaved

5‘bad news’

SYNONYMS

unpleasant, disagreeable, unwelcome, unfortunate, unfavourable, unlucky, adverse, nasty

terrible, dreadful, awful, grim, distressing, regrettable

humorous, archaic parlous

ANTONYMS

good

6‘a recession is a bad time to try and sell a business’

SYNONYMS

inauspicious, disadvantageous, adverse, difficult, inopportune, unpropitious, inappropriate, unsuitable, unfavourable, unfortunate, untoward

informal disastrous

ANTONYMS

good

7‘a bad accident’

SYNONYMS

severe, serious, grave, critical, grievous, acute, dreadful, terrible, awful, ghastly, dire, grim, frightful, shocking

life-threatening

peracute

ANTONYMS

minor, slight

8‘the meat's gone bad’

SYNONYMS

rotten, off, decayed, decomposed, decomposing, putrid, putrefied, putrescent, mouldy, mouldering

sour, rancid, rank, unfit for human consumption

addled

maggoty, worm-eaten, wormy, flyblown

rare putrefactive, putrefacient

ANTONYMS

fresh

9‘if you still feel bad, stay in bed’

See ill

10‘a bad knee’

SYNONYMS

injured, wounded, diseased

British informal gammy, knackered

Australian NZ informal crook

dated game

11‘George always felt bad after shouting at her’

SYNONYMS

guilty, conscience-stricken, remorseful, guilt-ridden, ashamed, chastened, contrite, sorry, full of regret, regretful, repentant, penitent, shamefaced, self-reproachful, apologetic

ANTONYMS

unrepentant

12‘a bad cheque’

SYNONYMS

invalid, worthless

counterfeit, fake, false, spurious, fraudulent

informal bogus, phoney, dud

13‘bad language’

SYNONYMS

offensive, vulgar, crude, foul, obscene, rude, coarse, smutty, dirty, filthy, indecent, indecorous

blasphemous, profane


Phrases

    not bad

      ‘the bean casserole wasn't bad’

      SYNONYMS

      all right, quite good, good, adequate, acceptable, good enough, reasonable, fair, decent, average, tolerable, passable, middling, moderate, sufficiently good, fine

      informal

      OK, so-so, fair-to-middling

      Australian North American NZ informal

      jake

      ANTONYMS

      outstanding