"For all worth" is an idiomatic expression that means to do something to the fullest extent of one's abilities. Synonyms for this expression include "with all one's might," "with all one's heart," "to the best of one's abilities," "wholeheartedly," "utterly," "completely," "fully," "entirely," "totally," "absolutely," and "enthusiastically." All these expressions emphasize the idea of giving one's best effort and leaving nothing behind. Using these synonyms in writing or speech can enhance the impact of a statement, indicating that the speaker or writer is dedicated and determined to achieve a particular goal.