1. Not by design or artifice; unforced and impromptu
   - unstudied

See also: candid, unaffected

• higher law
• Higher National Diploma
• higher rank
• higher status
• higher-ranking
• higher-up
• highest common factor
• highfalutin
• highfaluting
• highflier
• highflyer
• highflying
• highjack
• highjacker
• highjacking
• highland
• highland fling
• Highland Scot
• Highlander
• Highlands
• Highlands of Scotland
• highlife
• highlight
• highlighter
• highlighting