WordNet: inactiveness, inactivity, inertia

a disposition to remain inactive or inert; "he had to overcome his inertia and get back to work"

• hypernym trait

• hyponym flatness, languor, lethargy, phlegm, sluggishness

• hyponym restfulness

• hyponym passiveness, passivity

• hyponym indolence, laziness

inactiveness

• (englanti) activeness (antonym)

• (englanti) inactive (derivationally related)

• (englanti) inactive (derivationally related)
• (suomi) joutilaisuus (synonyymi)

inactivity

• (englanti) inactive (derivationally related)
• (suomi) toimettomuus (synonyymi)

inertia

• (suomi) velttous (synonyymi)