Knowing and Sudden

Opposite meaning words

Knowing adjective - Made, given, or done with full awareness of what one is doing.

Usage example: after giving knowing offense to people of Italian ancestry, he gave the lame excuse that it had all been a joke

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Sudden is an antonym for knowing.

Nearby Words: know, known, knowingly

Sudden adjective - Not expected.

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Knowing is an antonym for sudden.

Nearby Words: suddenly, suddenness

Despite the sudden flood of memories, John couldn't bring himself to reveal who he was, knowing that doing so would be a massive security breach.

Source: Childhood Marriage Promise
The novelization of the Dirty Harry movie Sudden Impact mentions that Harry received his unusual .44 Automag pistol as a gift from a custom gunsmith after he had saved the man's wife... probably by killing those endangering her, knowing Harry.

Source: Hospitality for Heroes

Cite this Source

Sudden and Knowing. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/knowing/sudden

Knowing & Sudden. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/knowing/sudden>.

Sudden or Knowing. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/knowing/sudden.

Google Ngram Viewer shows how "knowing" and "sudden" have occurred on timeline