1. Being or operating under the surface of the earth
   - subterranean 
2. Lying beyond what is openly revealed or avowed (especially being kept in the background or deliberately concealed)
   - subterranean, ulterior

See also: covert, subsurface

• genitive
• genitive case
• genitor
• genitourinary
• genitourinary apparatus
• genitourinary system
• geniture
• genius
• genius loci
• genlisea
• Genoa
• genocidal
• genocide
• Genoese
• genoise
• genome
• genomic
• genomics
• genotype
• genotypic
• genotypical
• Genova
• Genovese
• genre
• genre painter