Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb whack

1 sense of whack

Sense 1
whack, wham, whop, wallop -- (hit hard; "The teacher whacked the boy")
       => hit -- (deal a blow to, either with the hand or with an instrument; "He hit her hard in the face")

Antonyms of adj whacked

1 sense of whacked

Sense 1
whacked -- ((British informal) exhausted or worn out)

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

Similarity of adj whacked

1 sense of whacked

Sense 1
whacked -- ((British informal) exhausted or worn out)
       => tired (vs. rested) -- (depleted of strength or energy; "tired mothers with crying babies"; "too tired to eat")