1. Showing no tendency to expand
   "unexpansive bodies" 
2. Not given to high spirits or effusiveness
   "an unexpansive man"

See also: restrained

Antonym: expansive

• registered nurse
• registered post
• registered representative
• registered security
• registrant
• registrar
• registration
• registration fire
• registration number
• registry
• Regius professor
• Reglaecus
• reglet
• regnal
• regnant
• regnellidium
• Regnellidium diphyllum
• rego
• regorge
• regosol
• regrade
• regress
• regression
• regression analysis
• regression coefficient