healthy /ˈhɛl.θi/ adjective4 •well and strong, and not sickHe was father to three healthy kids.Brush regularly to keep your teeth and gums strong and healthy. •Conducive to health.A healthy diet can help to maintain proper weight. •(figurative) Significant, hefty; beneficial.Sam unwrapped the sandwich and took a healthy bite out of the middle. •Evincing health.Her face had a healthy glow. formshealthier · more healthy · healthiest · most healthy