ad libitum

1. 1.

   without advance preparation

   “he spoke ad lib”

   Synonymsad libspontaneouslyimpromptu

Questions about ad libitum

What does ad libitum mean?

ad libitum means "without advance preparation".

What is another word for ad libitum?

Close synonyms include ad lib, spontaneously, impromptu. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is ad libitum a common word?

ad libitum is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.