Concrete tunnel Synonyms

Definitions for Concrete


  • (adjective) existing in fact and not merely as a possibility
  • (adjective) relating to or composed of matter
  • (adjective) of a particular or exact sort

Definitions for Tunnel


  • (noun) a passageway through or under something, usually underground (especially one for trains or cars)
  • (noun) a hole made by an animal , usually for shelter
  • (verb) move through by or as by digging