fail

fail (Lose), verb be defeated, be demoted, be unsuccessful, become bankrupt, become insolvent, botch, bungle, cadere, collapse, come short, come to naught, come to nothing, concidere, crash, decline, deficere, deteriorate, dishonor, err, fall short, flunk, fold, go out of business, go under, lose, miscarry, miss the mark, not succeed, prove inadequate, prove unsatisfactory, prove useless, succumb

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fail (Neglect), verb abandon, avoid, break one's promise, break one's word, desert, evade, forsake, ignore, leave, let one down, mismanage, miss, miss an opportunity, omit, prove unreliable, shirk
Associated concepts: fail to act, fail to appear, fail to comply

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See also: decay, default, disappoint, ebb, languish, lapse, lose, mismanage, neglect, perish, succumb