/ ˈkʌstəməri; NAmE -meri/ adjective
1.
if sth is customary , it is what people usually do in a particular place or situation
SYN usual :
Is it customary to tip hairdressers in this country?
2.
typical of a particular person
SYN habitual :
She arranged everything with her customary efficiency.
► cus·tom·ar·ily / ˈkʌstəmərəli; NAmE ˌkʌstəˈmerəli/ adverb
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WORD ORIGIN
late Middle English (as a noun): from medieval Latin custumarius , from custuma , from Anglo-Norman French custume from Old French coustume , based on Latin consuetudo , from consuetus , past participle of consuescere accustom, from con- (expressing intensive force) + suescere become accustomed.