Very great in scope or import:
Having great binding strength:
Very great, important, powerful, extensive, etc.
Imposing because of great size, beauty, and extent; magnificent
Very small; diminutive
The definition of puny is something insufficient in size or strength.
Lacking persuasiveness; unconvincing:
Lacking vigor or effectiveness; inadequate:
Of great extent or amount
Having great strength or force:
Find another word for mightiest. In this page you can discover 14 synonyms, antonyms, idiomatic expressions, and related words for mightiest, like: greatest, vastest, strongest, hugest, ablest, grandest, tiniest, puniest, weakest, feeblest and plainest.