erratic

一定しない,定まらない;ふらついている

erratic の類語

changeable, variable, wandering, different, fickle, mercurial, uncertain, irregular, unpredictable, eccentric, various, out-of-the-way, funny, unreliable, fast and loose, broken, changing, sporadic, unsettled, strange, rambling, random, whimsical, fluctuating, odd, amorphous, changeful, capricious, wavering, unsteady, shifting, freakish, varying, unstable, vague, shapeless, inconsistent, volatile, abnormal, moody, meaningless, irresponsible, fitful, restless, character, planetary, hit-or-miss, uneven, quirky, desultory, disconnected, spasmodic, alternating, dispersed, catchy, inconstant, touch-and-go, diversified, dizzy, intermittent

erratic の反意語

unchangeable, settled, reliable, dependable

erratic の言い換えを探すには

erratic（一定しない）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。