strengthen
Proposed by a contributor, not yet supported by evidence.
Also seen as: strengthens · strengthening · strengthened
Sense 1
To make strong or stronger; to add strength to; to increase the strength of; to fortify.
Verb
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Sense 2
To empower; to give moral strength to; to encourage; to enhearten.
Verb
Examples
Usage example from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01)
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “strengthen” mean?
To make strong or stronger; to add strength to; to increase the strength of; to fortify.
Is “strengthen” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.