What is another word for on spur of the moment?
Pronunciation: [ˌɒn spˈɜːɹ ɒvðə mˈə͡ʊmənt] (IPA) 
The phrase "on spur of the moment" means to do something impulsively without prior planning. There are many synonyms for this phrase that can be used interchangeably. Some of these synonyms include, but are not limited to, impromptu, spontaneous, extemporaneous, improvised, ad hoc, unplanned and unpremeditated. When describing a last-minute decision, someone might say that they acted spontaneously or impulsively, while others might use the phrases "off the cuff" or "off the top of their head". These synonyms are useful when trying to convey a sense of spontaneity or an absence of prior thought or planning, and they can be used in various contexts.
