subterranean /sub-tə-rāˈni-ən/

1. Underground
2. Operating underground
3. Hidden, working, etc, in secret

A person who or thing that is subterranean

subˈterrane or subˈterrain noun

An underground chamber, room or dwelling

subterrāˈneous adjective

Underground

subterrāˈneously adverb

subterreneˈ adjective

Underground

1. An underground dwelling
2. The underworld

subterresˈtrial adjective and noun

(a person or thing) existing underground

• atony
• atop
• atopic
• atopies
• a top noise
• atopy
• atorvastatin
• atorvastatins
• a touch of the sun
• a tough nut to crack
• at outs
• ATP
• at par
• at peace
• at pleasure
• at point
• at points
• at present
• at press
• at question
• atrabilious
• atrabiliousness
• atracurium
• atracuriums
• atrament