Ad lib and Premeditated

Opposite meaning terms

Ad lib adverb - Without advance preparation.

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Premeditated is an antonym for ad lib in topics: impulsive, improvised.

Premeditated adjective - Characterized by deliberate purpose and some degree of planning.

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Ad lib is an antonym for premeditated.

Cite this Source

Premeditated and Ad lib. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/ad_lib/premeditated

Ad lib & Premeditated. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/ad_lib/premeditated>.

Premeditated or Ad lib. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/ad_lib/premeditated.

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