Antonyms and Synonyms for ad

1. ad (n.)

a public promotion of some product or service

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2. ad-lib (v.)

perform without preparation

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3. ad-lib (adj.)

said or done without having been planned or written in advance

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4. ad-lib (n.)

remark made spontaneously without prior preparation

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5. ad-lib (adj.)

with little or no preparation or forethought

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