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Synonyms of ill in English:


  • 1 she was feeling rather ill
    unwell, sick, not (very) well, ailing, poorly, sickly, peaked, indisposed, infirm;
    bedridden, valetudinarian;
    queasy, nauseous, nauseated
    [Antonyms] well, healthy
  • 2 the ill effects of smoking
    unhealthy, unwholesome, poisonous, noxious
    literarymalefic, maleficent
    [Antonyms] good, beneficial
  • 3 ill feelings had divided them for years
    hostile, antagonistic, acrimonious, inimical, antipathetic;
    unfriendly, unsympathetic, unkind;
    resentful, spiteful, malicious, vindictive, malevolent, bitter
    [Antonyms] friendly, warm
  • 4 an ill omen
    [Antonyms] auspicious
  • 5 ill manners
    [Antonyms] good, polite
  • 6 the ill management of the front office
    bad, poor, incompetent, unsatisfactory, inadequate, inexpert, deficient
    [Antonyms] good, competent
  • noun

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  • 1 (ills) the ills of society
    problems, troubles, evils, difficulties, misfortunes, trials, tribulations;
    worries, anxieties, concerns
    informalheadaches, hassles
  • 2 he wished them no ill
    harm, hurt, injury, damage, pain, trouble, misfortune, suffering, distress
  • adverb

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  • 1 such behavior ill becomes a chief executive
    poorly, badly, imperfectly
    [Antonyms] well
  • 2 the look on her face boded ill for her opponents
    [Antonyms] well, auspiciously
  • 3 he can ill afford the loss of income
    barely, scarcely, hardly, only just, (only) with difficulty, just possibly
    [Antonyms] easily
  • 4 we are ill prepared for another flood
    [Antonyms] well, satisfactorily
  • Phrases

    ill at ease

    Ritchie was cautioned not to appear ill at ease in the courtroom
    awkward, uneasy, uncomfortable, embarrassed, self-conscious, out of place, inhibited, gauche;
    informaltwitchy, jittery, discombobulated, antsy

    speak ill of

    we never heard him once speak ill of his ex-wife
    denigrate, disparage, criticize, be critical of, speak badly of, be malicious about, blacken the name of, run down, insult, abuse, attack, revile, malign, vilify, slur
    informalbadmouth, dis, bitch about, talk smack, slag

    Definition of ill in:

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