zonked
[adjective]
Synonyms: intoxicated, boozy, crocked, drunk, drunken, inebriated, pie-eyed, pissed, stewed, tight, drugged, doped, high, hopped-up, spaced-out, stoned, tripped out, turned on, wiped out

[TahlilGaran] English Synonym Dictionary ▲

zonked /zɒŋkt $ zɑːŋkt/ (also ˌzonked ˈout) adjective [not before noun]
informal very tired or suffering from the effects of drugs, so that you do not want to do anything:
I’m really zonked.

[TahlilGaran] Dictionary of Contemporary English ▲