not established or confirmed
subject to change
lacking or indicating lack of confidence or assurance
ambiguous (especially in the negative)
not certain to occur; not inevitable
not consistent or dependable
not established beyond doubt; still undecided or unknown
contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse
financially safe
a ventilated or refrigerated cupboard for securing provisions from pests
free from danger or the risk of harm
having reached a base without being put out
(of an undertaking) secure from risk
strongbox where valuables can be safely kept
