addict → adhere addict: Many heroin addicts were unwilling to go to treatment centers.
addict: He is a complete video game addict.
addle (confuse someone, make someone unable think properly): I think the drink had addled my brain.
adduce formal (provide facts or reasons as proof that something is true): I need more time to adduce evidence.
adept (skilled, expert): She is highly adept at cooking.
adequate (acceptable or sufficient in quantity or quality): The food also should be adequate to meet the nutritional needs of growing children.
adhere (continue to obey a rule, agreement or belief): We will in fact adhere strictly to the terms of the contract.
adhere (stick fast or firmly): The glue would adhere well, if you also clean the surface first.