Antonyms of adj sickish

1 sense of sickish

Sense 1
nauseated, nauseous, queasy, sick, sickish -- (feeling nausea; feeling about to vomit)

INDIRECT (VIA ill) -> well -- (in good health especially after having suffered illness or injury; "appears to be entirely well"; "the wound is nearly well"; "a well man"; "I think I'm well; at least I feel well")

Similarity of adj sickish

1 sense of sickish

Sense 1
nauseated, nauseous, queasy, sick, sickish -- (feeling nausea; feeling about to vomit)
       => ill (vs. well), sick -- (affected by an impairment of normal physical or mental function; "ill from the monotony of his suffering")