(of a person) feeling as if everything is turning round, as if unable to balance; mentally confused

light-headed, confused

(of a person, character, argument etc) convincing, believable

effective, powerful

causing, having, the feeling that everything is turning round so that one cannot stand steady

silly, impulsive

likely to collapse or fall

dizzy, stunned

(especially of drugs or alcoholic drink) strong

effective, powerful, forceful

(of a person) pleasant and cheerful but lazy

dazed

physically tired; mentally tired

tired