Also found in: Thesaurus, Financial.
vb, -spends, -spending or -spent
to spend less than (one can afford or is allocated)
the amount by which someone or something is underspent
Past participle: underspent
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|Verb||1.||underspend - spend less than the whole of (a budget, for example)|
spend - spend completely; "I spend my pocket money in two days"
overspend - spend more than available of (a budget)
|2.||underspend - spend at less than the normal rate|
overspend - spend at a high rate