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- DictionaryCer·tain/ˈsərtn/
adjective
- 1. known for sure; established beyond doubt: "it's certain that more changes are in the offing"
- 2. specific but not explicitly named or stated: "he raised certain personal problems with me"
pronoun
- 1. some but not all: "certain of his works have been edited"
Definitions of certain. adjective. established beyond doubt or question; definitely known. “what is certain is that every effect must have a cause”. “it is certain that they were on the bus”. “his fate is certain ”. “the date for the invasion is certain ”. synonyms: definite.
certain [not usually before noun] sure that you are right or that something is true: Are you absolutely certain about this? sure or certain? Like sure, certain is often used in negative statements and questions.
Definition of certain adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
1. ( postpositive) positive and confident about the truth of something; convinced: I am certain that he wrote a book. 2. ( usually postpositive) definitely known: it is certain that they were on the bus. 3. ( usually postpositive) sure; bound; destined: he was certain to fail.
CERTAIN definition: 1. completely sure of something, or knowing without doubt that something is true: 2. to know…. Learn more.
5 days ago · If you say that something is certain, you firmly believe that it is true, or have definite knowledge about it. One thing is certain, both have the utmost respect for each other. It is certain that Rodney arrived the previous day.
From Longman Dictionary of Contemporary English cer‧tain1 /ˈsɜːtn $ ˈsɜːr-/ S1 W1 adjective 1 [ not before noun] confident and sure, without any doubts SYN sure certain (that) I’m absolutely certain that I left the keys in the kitchen.