Whelming is a term that means to overcome someone or something with force or intensity. Some antonyms for whelming include underwhelming, disappointing, unimpressive, underpowering, insipid, tame, weak, and inadequate. When something is underwhelming, it fails to impress or have the desired impact. If something is inadequate, it is not enough to meet the needs or expectations. Insipid describes something that is lacking in flavor or excitement. Using these antonyms for whelms can help to describe situations where there is a lack of force or intensity, or where an outcome is not as powerful as expected.