← BackshareGuessadynamic/ˌeɪdaɪˈnæmɪk/adjectiveLacking physical strength or energy; weak or inactive.After the long hike, she felt adynamic and just wanted to lie down.The adynamic economy showed no signs of growth for months.The adynamic patient needed help even to sit up in bed.SynonymslistlessweakinactiveAntonymsenergeticdynamic