1. Capable of preventing conception or impregnation
   - contraceptive, prophylactic

See also: protective

• unteach
• unteachable
• untechnical
• untellable
• untempered
• untempting
• untenable
• untenanted
• untended
• Untermeyer
• untested
• untethered
• unthankful
• unthaw
• unthawed
• untheatrical
• unthematic
• unthinkable
• unthinkably
• unthinking
• unthinkingly
• unthought
• unthought-of
• unthoughtful
• unthoughtfulness