PERILOUS Antonyms

• having or feeling no doubt or uncertainty; confident and assured

• established beyond doubt or question; definitely known

• certain to occur; destined or inevitable

• established irrevocably

• definite but not specified or identified

• reliable in operation or effect

• exercising or taking care great enough to bring assurance

• prudent

• not causing or capable of causing harm

• kept safe or defended from danger or injury or loss

• guarded from injury or destruction

• 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

• 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

• thought to be devoid of risk