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have weakened

  • present perfect
    of weaken.
    weaken
    verb (used with object)
    to make weak or weaker.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

According to the conventional theory, a reduction in the transport of salty water should have weakened the AMOC.

From Science Daily ● Aug. 6, 2026

Developments over the past century have weakened the force of these legislative tools.

From The Wall Street Journal ● Jul. 14, 2026

The first earthquake would have weakened many structures, while the second shock likely caused additional collapses before occupants could escape.

From Barron's ● Jul. 6, 2026

European defense stocks have weakened of late, partly in response to suggestions of a more lasting cease-fire, but Morgan Stanley recommended caution about de-emphasizing defense plays.

From MarketWatch ● May 13, 2026

Bellingham once told me—trust him, this was after I was fully his—that if I had matched his force with a psychic resistance equally as strong—it would mortally have weakened him.

From She Buildeth Her House by Comfort, William Wistar