feckless

無気力な,思慮に欠ける,軽率な,無責任な

feckless の類語

irresponsible, impotent, useless, of no force, careless, ineffective, no go, happy-go-lucky, empty, of no use, ineffectual, unthinking, incompetent, pointless, inadequate, invalid, vain, meaningless, good-for-nothing, sterile, barren, futile, wild, counterproductive, fruitless, unavailing, thoughtless, reckless, worthless, inoperative, fatuous, purposeless, shiftless, negligent, carefree, inept, grasshopper, superfluous, bootless, nugatory, inadvertent, inane, aimless, uneconomical, heedless, effete, wrecking, incautious, inefficacious, improvident, nonchalant, remiss, uncaring, unreliable, faint-hearted, feeble, etiolated, thriftless, untrustworthy, easygoing

feckless の反意語

responsible, competent, useful, effective, operative

関連語

fecklessness

feckless の言い換えを探すには

feckless（無気力な）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。