From Longman Dictionary of Contemporary Englishimprovidentim‧prov‧i‧dent /ɪmˈprɒvɪdənt $ -ˈprɑː-/ adjective formal CARELESStoo careless to save any money or to plan for the future → spendthrift —improvidence noun [uncountable] —improvidently adverb
Examples from the Corpus
improvident• These immediate-return hunter-gatherers never suffer anxiety about the future of food supplies and are characterized by improvident, generous, happy-go-lucky personalities. 