Main Entry: in·ert

Pronunciation: \i-ˈnərt\

Function: adjective

Etymology: Latin inert-, iners unskilled, idle, from in- + art-, ars skill — more at arm

Date: 1647

1 : lacking the power to move
2 : very slow to move or act : sluggish
3 : deficient in active properties; especially : lacking a usual or anticipated chemical or biological action

synonyms see inactive

— inert noun

— in·ert·ly adverb

— in·ert·ness noun