unthinking

adj said, done, etc without proper consideration; thoughtless 考虑不周的; 未经思考的: unthinking remarks, criticisms 失慎的言语、 批评 * Unthinking, he threw his lighted match into the waste-paper basket. 他想也没想就把燃著的火柴扔进了废纸篓里了.

unstinting, unstintingly, unstop, unstoppable, unstuck, unstudied, unsubstantiated, unsuccessful, unsuitable, unsung, unsure, unsuspecting, unswerving, unsympathetic, untainted, untalented, untangle, untapped, untenable, unthinkable, unthinkingly, unthreatening, untidily, untidiness, untidy, untie, until, until (also till), untimeliness, untimely, untired, untiring, untiringly, untitled, untold, untouchable, untouched, untoward, untrammelled (US also untrammeled), untreated,