certain

1. Definite but not specified or identified (synset 300704329)
   "set aside a certain sum each week"; "to a certain degree"; "certain breeds do not make good pets"; "certain members have not paid their dues"; "a certain popular teacher"; "a certain Mrs. Jones"
   similar to: definite - precise; explicit and clearly defined
2. Having or feeling no doubt or uncertainty;
   Confident and assured (synset 300337729)
   "felt certain of success"; "was sure (or certain) she had seen it"; "was very sure in his beliefs"; "sure of her friends"
   tells us about:

   • certainty - the state of being certain
   • assurance, authority, confidence, self-assurance, self-confidence, sureness - freedom from doubt; belief in yourself and your abilities
   similar to: confident, convinced, positive - persuaded of; very sure
   same as: sure
3. Established beyond doubt or question;
   Definitely known (synset 300336319)
   "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"
   tells us about: certainty, foregone conclusion, sure thing - something that is certain
   similar to:

   • definite - known for certain
   • indisputable, sure - impossible to doubt or dispute
   • sure as shooting - absolutely certain
4. Certain to occur;
   Destined or inevitable (synset 300341137)
   "he was certain to fail"; "his fate is certain"; "In this life nothing is certain but death and taxes"; "he faced certain death"; "sudden but sure regret"; "he is sure to win"
   also: predictable - capable of being foretold
   similar to:

   • bound, destined - (usually followed by `to') governed by fate
   • doomed, fated - (usually followed by `to') determined by tragic fate
   • foreordained, predestinate, predestined - established or prearranged unalterably
   • in for - certain to get or have
   same as: sure
5. Established irrevocably (synset 302094487)
   "his fate is sealed"
   same as: sealed
6. Reliable in operation or effect (synset 300727841)
   "a quick and certain remedy"; "a sure way to distinguish the two"; "wood dust is a sure sign of termites"
   similar to: dependable, reliable - worthy of reliance or trust
   same as: sure
7. Exercising or taking care great enough to bring assurance (synset 300310538)
   "be certain to disconnect the iron when you are through"; "be sure to lock the doors"
   similar to: careful - exercising caution or showing care or attention
   same as: sure

Other Searches

• Rhyme: Dillfrog, RhymeZone
• Definition: Wiktionary, Dictionary.com, Wikipedia, Merriam-Webster, WordNet, Power Thesaurus
• Imagery: Google, Flickr, Bing