← BackshareGuesssickish/ˈsɪkɪʃ/adjectiveSomewhat sick; feeling slightly ill or nauseated.He had a sickish feeling in his stomach after eating too much candy.The sickish smell of the old basement made her want to leave.After the long car ride, she felt sickish and needed fresh air.SynonymsnauseatedunwellqueasyAntonymswellhealthy