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

See also: restrained

Antonym: expansive

• Hardenbergia
• Hardenbergia comnptoniana
• hardened
• hardener
• hardening
• hardening of the arteries
• hardfisted
• hardhead
• hardheaded
• hardheads
• hardhearted
• hardheartedness
• hardihood
• hardily
• hardiness
• Harding
• hardinggrass
• hardish
• hardline
• hardliner
• hardly
• hardly a
• hardness
• hardpan
• hardscrabble