1. Not famous or acclaimed
   "unsung heroes of the war"
   - obscure, unknown 
2. Having value that is not acknowledged
   - unappreciated, unvalued

See also: inglorious, unacknowledged

Encyclopedia: Unsung

• genus Triaenodon
• genus Trialeurodes
• genus Triatoma
• genus Tribolium
• genus Tribonema
• genus Tribulus
• genus Triceratops
• genus Trichecus
• genus Trichoceros
• genus Trichodesmium
• genus Trichoglossus
• genus Tricholoma
• genus Trichomanes
• genus Trichomonas
• genus Trichophaga
• genus Trichophyton
• genus Trichostema
• genus Trichostigma
• genus Trichosurus
• genus Trichys
• genus Tridacna
• genus Trifolium
• genus Triga
• genus Triglochin
• genus Trigonella