SAT GRE listless Definition Lacking energy, enthusiasm, or interest. Example "After the long illness, she felt too listless to get out of bed." Sign in to save SAT PDF — $25 GRE PDF — $25 ← list literacy → Study tips featuring "listless" How Context Clues Save You on the SAT Related words SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal