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most certain
adjective as in confident
adjective as in undoubtable, valid
Weak matches
- ascertained
- authoritative
- conclusive
- confirmable
- demonstrable
- destined
- determined
- establishable
- evident
- firm
- fixed
- guaranteed
- having down pat
- in the bag
- incontrovertible
- indubitable
- infallible
- irrefutable
- known
- on ice
- plain
- predestined
- provable
- reliable
- salted away
- set
- sound
- supreme
- sure thing
- trustworthy
- unambiguous
- undoubted
- unequivocal
- unerring
- unmistakable
- verifiable
adjective as in fixed
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On this page you'll find 248 synonyms, antonyms, and words related to certain, such as: convinced, positive, sure, assertive, assured, and believing.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
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