2 entries found for certain.
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certain[1,adjective] certain[2,pronoun]

Main Entry: ¹cer·tain
Pronunciation: srt-n
Function: adjective
1 : FIXED 1b <receive a certain share of the profits>
2 : not to be doubted : known to be true <it is certain that diamonds are hard>
3 : known but not named <a certain person told me>
4 : RELIABLE, SURE <a certain cure>
5 a : sure to happen : bound to occur : INEVITABLE <defeat was certain> b : decided in advance by or as if by fate <the plan was certain to succeed>
6 : assured in mind or action <feel certain they will come>