Synonyms of the word

knackered

• adj. (Britain, Ireland, Australia, New Zealand, slang) tired or exhausted.
• v. simple past tense and past participle of knacker.
• adj. (Britain, Ireland, South Africa, colloquial) Broken, inoperative.

drained

• adj. Lacking motivation and energy; very tired; knackered.
• adj. Of a battery, empty of charge; discharged.
• v. simple past tense and past participle of drain.

tired

• v. simple past tense and past participle of tire.
• adj. In need of some rest or sleep.
• adj. Fed up, annoyed, irritated, sick of.
• adj. Overused, cliché.
• adj. (slang, African American Vernacular) ineffectual; incompetent.