- (transitive)to modify (something) according to a customer's individual requirements 
WordReference Random House Learner's Dictionary of American English © 2025
cus•tom•ize /ˈkʌstəˌmaɪz/USA pronunciation  
v. [~ + object], -ized, -iz•ing. 
cus•tom•iz•er, n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- to modify or build (something) according to an individual's request:They'll customize your car to give you bucket seats.
cus•tom•iz•er, n. [countable]
cus•tom•ize 
(kus′tə mīz′),USA pronunciation v.t. -ized, -iz•ing. 
 cus′tom•iz′a•ble, adj. 
cus′tom•i•za′tion, n.
cus′tom•iz′er, n.
- to modify or build according to individual or personal specifications or preference:to customize an automobile.
- custom + -ize 1930–35, American.
cus′tom•i•za′tion, n.
cus′tom•iz′er, n.
Collins Concise English Dictionary © HarperCollins Publishers::
'customized' also found in these entries (note: many are not synonyms or translations):