Definition of spur-of-the-moment
- a spur-of-the-moment decision
ad hoc, ad-lib, extemporaneous, extemporary, extempore, impromptu, improvisational, improvised, off-the-cuff, offhand, offhanded, snap, unconsidered, unplanned, unpremeditated, unprepared, unrehearsed, unstudied;
: done suddenly and without planning
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