Most praisable means an act or behavior that is highly commendable or worthy of admiration. Its antonyms would be words that describe actions or behaviors that are not admirable, commendable, or worthy of praise. Some of the antonyms for "most praisable" can be "blameworthy," "criticizable," "disgraceful," "disreputable," "objectionable," "condemnable," or "unworthy." These words describe actions, behaviors, or qualities that do not deserve commendation or admiration. Therefore, these antonyms for "most praisable" help us understand better the importance and value of practicing commendable and praiseworthy conduct.