1. Moderately formal; requiring a dinner jacket
   "he wore semiformal attire"
   - semi-formal, black-tie

See also: formal

• rechristen
• recidivate
• recidivism
• recidivist
• Recife
• recipe
• recipient
• recipient role
• reciprocal
• reciprocal cross
• reciprocal inhibition
• reciprocal ohm
• reciprocal pronoun
• reciprocal-inhibition therapy
• reciprocality
• reciprocally
• reciprocate
• reciprocating engine
• reciprocating saw
• reciprocation
• reciprocative
• reciprocatory
• reciprocity
• recirculation
• recision