Ad Lib Definition

ăd lĭb
ad-libbed, ad-libbing, ad-libs
adverb
In an unrestrained manner; spontaneously.
American Heritage
Wiktionary

At will.

Wiktionary
To whatever extent.
Wiktionary
Wiktionary
Antonyms:
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verb
ad-libbed, ad-libbing, ad-libs
To improvise and deliver extemporaneously.
Ad-lib a comic monologue.
American Heritage
To improvise (words, gestures, etc. not in a prepared speech, script, etc.); extemporize.
Webster's New World
To engage in improvisation, as during delivery of a speech.
American Heritage
Ad lib is defined as making something up as you go along.
An example of ad lib is coming up with a lie on the spot to avoid getting into trouble.
YourDictionary

Alternative spelling of ad-lib.

Wiktionary
Synonyms:
Antonyms:
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noun
ad-libs
Words, music, or actions uttered, performed, or carried out extemporaneously.
American Heritage
The act of ad-libbing or an ad-libbed remark.
Webster's New World
The definition of ad lib refers to something that is made up as one goes along, or that is unscripted.
An example of an ad lib is an improv performance where the actors take audience suggestions and create a play as they go along.
YourDictionary

Alternative spelling of ad-lib.

Wiktionary
adjective
Uttered, performed, or carried out spontaneously.
Heckled the speaker with ad-lib comments.
American Heritage
Spoken or done extemporaneously.
Webster's New World
Antonyms:
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abbreviation
Ad libitum.
Webster's New World
As needed.
Webster's New World

Other Word Forms of Ad Lib

Noun

Singular:
ad lib
Plural:
ad-libs

Origin of Ad Lib

  • abbreviation of ad libitum, from New Latin ad libitum.

    From Wiktionary

  • Short for ad libitum

    From American Heritage Dictionary of the English Language, 5th Edition

  • From ad lib.

    From Wiktionary

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