1. Temperamentally disinclined to talk
   - untalkative 
2. Cool and formal in manner
   - restrained, unemotional 
3. Reluctant to draw attention to yourself
   - self-effacing, retiring

See also: reticence, reticently, taciturn, unassertive, undemonstrative

• genital phase
• genital stage
• genital system
• genital torture
• genital wart
• genitalia
• genitals
• genitival
• genitive
• genitive case
• genitor
• genitourinary
• genitourinary apparatus
• genitourinary system
• geniture
• genius
• genius loci
• genlisea
• Genoa
• genocidal
• genocide
• Genoese
• genoise
• genome
• genomic