Antonyms of adj unrested

1 sense of unrested

Sense 1
unrefreshed, unrested -- (not rested or refreshed;)

INDIRECT (VIA tired) -> rested -- (not tired; refreshed as by sleeping or relaxing; "came back rested from her vacation")

Similarity of adj unrested

1 sense of unrested

Sense 1
unrefreshed, unrested -- (not rested or refreshed;)
       => tired (vs. rested) -- (depleted of strength or energy; "tired mothers with crying babies"; "too tired to eat")