impulse-buy

English Thesaurus

1. buy on impulse without proper reflection (verb.possession)

hypernym	:	buy, purchase,
definition	:	obtain by purchase; acquire by means of a financial transaction (verb.possession)

domain category	:	commerce, commercialism, mercantilism,
definition	:	transactions (sales and purchases) having the objective of supplying commodities (goods and services) (noun.act)