Out-weighing is a term used to describe something that is greater or more significant than something else. Antonyms for this term include underwhelming, lessening, decreasing, and dwindling. When something is underwhelming, it fails to meet expectations or falls short of what was anticipated. Lessening suggests a reduction in intensity or significance, while decreasing implies a decline in quantity or size. Dwindling, on the other hand, denotes a gradual and steady decrease over time. These antonyms provide an alternative perspective to out-weighing and can be used to describe something that is not as dominant or powerful.