|1.||[ adjective ] unable to move or resist motion|
|2.||[ adjective ] (chemistry) having only a limited ability to react chemically; not active|
"inert matter" "an indifferent chemical in a reaction"
|Related terms:||chemistry unreactive|
|3.||[ adjective ] slow and apathetic|
"she was fat and inert" "a sluggish worker" "a mind grown torpid in old age"