tenacious

Adjective

• sticking together
  • two coherent sheets
    
  • tenacious burrs
    

• stubbornly unyielding
  • dogged persistence
    
  • dour determination
    
  • the most vocal and pertinacious of all the critics
    
  • a mind not gifted to discover truth but tenacious to hold it- T.S.Eliot
    
  • men tenacious of opinion
    

• good at remembering
  • a retentive mind
    
  • tenacious memory
    

Related words

• Synonyms: 
  coherent , dogged , dour , persistent , pertinacious , unyielding , retentive , recollective , long
• Antonyms: 
  unretentive , forgetful , short