NONRADIOACTIVE Synonyms

• (pathology) not progressing or increasing; or progressing slowly

• (military) not involved in military operations

• not exerting influence or change

• (of e.g. volcanoes) not erupting and not extinct

• lacking in energy or will

• lacking activity; lying idle or unused

• not engaged in full-time work

• not active physically or mentally

• (chemistry) not participating in a chemical reaction; chemically inert

• not in physical motion

• unable to move or resist motion

• having only a limited ability to react chemically; chemically inactive

• slow and apathetic

• not injurious to physical or mental health

• not causing disapproval

• lacking intent or capacity to injure

• having no adverse effect

• free from danger or the risk of harm

• having reached a base without being put out

• strongbox where valuables can be safely kept

• a ventilated or refrigerated cupboard for securing provisions from pests

• contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse

• (of an undertaking) secure from risk

• financially safe

• resistant to change of position or condition

• a farm building for housing horses or other livestock

• firm and dependable; subject to little fluctuation

• not taking part readily in chemical change

• maintaining equilibrium

• showing little if any change

• shelter in a stable