HAZARDOUS Antonyms

• not injurious to physical or mental health

• not causing disapproval

• lacking intent or capacity to injure

• thought to be devoid of risk

• 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

• free from fear or doubt; easy in mind

• free from danger or risk

• not likely to fail or give way

• immune to attack; incapable of being tampered with

• financially safe

• get by special effort

• cause to be firmly attached

• assure payment of

• make certain of

• fill or close tightly with or as if with a plug

• furnish with battens

• not unfriendly or threatening