worthless adj.

VERBS be, feel, prove, seem | become | make sth These contradictions made his evidence worthless. | consider sth, discard sth as, dismiss sth as, regard sth as, reject sth as, see sth as The opinion polls were dismissed as worthless.

ADV. absolutely, completely, quite, totally, utterly | almost, virtually | largely

PREP. to The diseased plants are quite worthless to the farmer.