unprompted
Meaning
not caused or encouraged by anything said or done; spontaneous.
(of an actor's line) spoken without a prior cue.
Structure
Usage
her unprompted apology surprised everyone in the room.
the child offered an unprompted act of kindness to the stranger.
the actor delivered an unprompted line that wasn't in the original script.
Etymology
The word 'unprompted' is a Modern English formation built upon the older verb 'prompt,' which entered Middle English from Latin 'promptus,' the past participle of 'promere' meaning "to bring forth." The Latin term itself derives from 'pro-' (forward) and 'emere' (to take). The negative prefix 'un-' of Old English origin was later attached to create the opposite sense. Thus, the literal construction "not brought forth" evolved into the contemporary meaning describing an action or remark that arises without external encouragement or a cue.
Analysis
un: a prefix of germanic origin (old english) meaning "not," used to form negatives. prompt: from latin 'promptus' (brought forth, ready), serving as the core root meaning to incite or move to action. ed: a suffix of germanic origin (old english) used to form adjectives from verbs or nouns, indicating a state or condition.