- cer´tain|ness
- cer|tain «SUR tuhn», adjective, noun, adverb.–adj.1. without a doubt; sure: »
It is certain that 2 and 3 do not make 4. I am certain these are the facts. He is certain to change his mind.
SYNONYM(S): See syn. under sure. (Cf. ↑sure)2. known but not named; some; particular: »certain nations, to a certain degree. A certain person gave our church $1000. Certain of Longfellow's ballads are effective and unforgettable (Edmund Wilson).
4. that can be depended on; reliable: »I have certain information that school will end a day earlier this year.
SYNONYM(S): dependable, trustworthy, unfailing.5. sure to happen; inevitable: »In this world nothing can be said to be certain but death and taxes (Benjamin Franklin).
–n.for certain, as a certainty; surely; without a doubt: »He will be here for certain. I hear for certain that Ormond has concluded a peace with the Rebels (Oliver Cromwell).
–adv.Obsolete. certainly; of a truth; assuredly: »You will, I am certain-sure, be well pleased (Robert Southey).
╂[< Old French certain < Vulgar Latin certānus < Latin certus sure, (originally) past participle of cernere decide]–cer´tain|ness, noun.
Useful english dictionary. 2012.