verb

try hard to do or achieve something.

he is endeavouring to help the Third World

try,attempt,venture,undertake,aspire,aim,seek,set out,strive,struggle,labour,toil,work hard,try hard,exert oneself,apply oneself,do one’s best,do one’s utmost,give one’s all,be at pains,work at,try one’s hand at,slog away,give something a whirl,have a go at,have a shot at,have a stab at,give something one’s best shot,do one’s damnedest,go all out,bend over backwards,break one’s neck,bust a gut,move heaven and earth,essay

noun

an attempt to achieve a goal.

an endeavour to reduce serious injury

attempt,try,bid,effort,trial,venture,go,crack,shot,stab,bash,whack,whirl