Part of speech:
Very great, important, powerful, extensive, etc.
Very small; diminutive
The definition of puny is something insufficient in size or strength.
Lacking vigor or effectiveness; inadequate:
Of great extent or amount
Having great strength or force:
Find another word for mightier. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for mightier, like: huger, abler, tinier, punier, feebler, larger and bigger.