Definitions:

1. good at remembering adjective
   • My memory is tenacious, so don't try and fool me.
2. sticking together adjective
   • They made a tenacious pair.
3. stubbornly unyielding adjective
   • The students responses were so tenacious, that they often landed them in trouble at school.

Synonyms:

• coherent
• dogged
• dour
• long
• persistent
• pertinacious
• unyielding

NearBy Words:

• tenaciously
• tenaciousness