adjective
                                                having or feeling no doubt or uncertainty
                                                                                                Synonyms
                                                
                                                                                                                                                                        certain(p)
                                                                                                                                                            
                                                
                                                                                                Examples
                                                
                                                                                                        - confident and assured
- felt certain of success
- was sure (or certain) she had seen it
- was very sure in his beliefs
- sure of her friends
 
                                                                                        
                                                adjective
                                                exercising or taking care great enough to bring assurance
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - be certain to disconnect the iron when you are through
- be sure to lock the doors
 
                                                                                        
                                                adjective
                                                certain to occur
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - destined or inevitable
- he was certain to fail
- his fate is certain
- In this life nothing is certain but death and taxes"- Benjamin Franklin
- he faced certain death
- sudden but sure regret
- he is sure to win
 
                                                                                        
                                                adjective
                                                physically secure or dependable
                                                
                                                                                                Examples
                                                
                                                                                                        - a sure footing
- was on sure ground
 
                                                                                        
                                                adjective
                                                reliable in operation or effect
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - a quick and certain remedy
- a sure way to distinguish the two
- wood dust is a sure sign of termites
 
                                                                                        
                                                adjective
                                                (of persons) worthy of trust or confidence
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - a sure (or trusted) friend
 
                                                                                        
                                                adjective
                                                infallible or unfailing
                                                
                                                                                                Examples
                                                
                                                                                                        - a sure (or true) sign of one's commitment
 
                                                                                        
                                                adjective
                                                certain not to fail
                                                
                                                                                                Examples
                                                
                                                                                                        - a sure hand on the throttle
 
                                                                                        
                                                adjective
                                                impossible to doubt or dispute
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - indisputable (or sure) proof
 
                                                                                        
                                                adverb
                                                definitely or positively (`sure' is sometimes used informally for `surely')
                                                                                                Synonyms
                                                
                                                
                                                                                                Examples
                                                
                                                                                                        - the results are surely encouraging
- she certainly is a hard worker
- it's going to be a good day for sure
- they are coming, for certain
- they thought he had been killed sure enough
- he'll win sure as shooting
- they sure smell good
- sure he'll come