ad lib
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Definition
Adverb:
- Without preparation or rehearsal; spontaneously: "ad lib" describes speaking or performing something that has not been planned, written down, or practiced in advance. It implies improvisation.
Verb (intransitive):
- To improvise; to speak or perform without preparation: To create or deliver something spontaneously, especially lines in a performance or remarks in a speech.
Noun (countable):
- A remark or action that is improvised: Something said or done spontaneously, often to fill a gap or handle an unexpected situation.
Usage Examples
Adverb:
- The actor forgot his lines and had to speak ad lib for a few moments.
- She is so quick-witted that she can give a funny speech ad lib.
Verb:
- When the microphone failed, the host had to ad lib for five minutes.
- The comedian ad-libbed most of his routine based on audience reactions.
Noun:
- His clever ad lib saved the scene when the prop broke.
- The interview was full of humorous ad libs.
Advanced Usage
"to go ad lib": to begin improvising freely.
- The script ended here, so the actors had to go ad lib.
Used as an adjective in informal contexts (often hyphenated: ad-lib).
- He made some ad-lib comments during the press conference.
Variants and Related Words
Ad-lib (adjective): Spontaneous, improvised.
- The ad-lib portion of the show was the most entertaining.
Ad-libber (noun): A person who improvises.
- She's a talented ad-libber, never at a loss for words.
Synonyms
- Impromptu (adv/adj): Done without being planned or rehearsed.
- Extemporaneously (adv): Spoken or done without preparation.
- Off the cuff (idiom): In an impromptu manner.
Related Phrases and Idioms
- Wing it (phrasal verb, informal): To improvise or do something without preparation.
- I didn't have time to prepare, so I'll just have to wing it.
Notes on Usage
- The term "ad lib" is an abbreviation of the Latin phrase which means "at one's pleasure" or "as one desires."
- It is commonly used in performing arts (theater, comedy, music) and public speaking.
- As a verb, the past tense and past participle are often formed as ad-libbed (with a hyphen and double 'b').
Adverb
- without advance preparation
- he spoke ad lib