Adlibbed

Part of speech: verb

Definitions

1. To have performed or spoken in an impromptu manner without prior planning or a written script
2. To have delivered remarks or acted spontaneously, relying on one's creativity instead of a pre-prepared text
3. Spoken or performed in an unplanned and spontaneous way, relying on momentary invention

Etymology: "Adlibbed" is the past tense and past participle of "ad lib," so its history is really the history of that verb. "Ad lib" is a shortening of the Latin phrase "ad libitum," meaning "at pleasure" or "at will," a term long used in music to tell a performer that a passage could be played freely, without strict adherence to the written tempo or notes. The phrase moved into English as a theatrical and musical instruction, and from there it came to describe any improvised remark or action, the performer stepping away from the script to speak off the cuff. Over time the phrase was clipped to "ad lib," which took on verb uses, so an actor could ad lib a line and then, in past tense, have ad libbed it. The shift from a formal instruction in a score to a casual description of spontaneous speech is the main arc of the word's life, and the same logic carries into the past forms, where the verb's doubled consonant, "ad libbed," follows the usual rule for short stressed syllables in English.

Synonyms: improvised, extemporized, spontaneously spoken, unscripted, invented

Antonyms: scripted, pre-planned, rehearsed, prepared, organized