weakness
1 antonym for weakness — opposites grouped by meaning.
Noun — The state of lacking strength or power.
Antonyms
How to use weakness
The word patterns that sound natural to a native speaker.
Etymology
Came from Middle English wayknesse, weykenesse, which replaced the earlier Middle English forms wocnesse, wakenes, wacnesse ("weakness"), themselves from Old English wācnes ("weakness"). It is equivalent to weak + -ness.
Full origin of weakness →