1. Without ceremony or formality
   - unceremonious

See also: informal

• nonexplosive
• nonextant
• nonextensile
• nonfat
• nonfat dry milk
• nonfatal
• nonfeasance
• nonfiction
• nonfictional
• nonfictional prose
• nonfigurative
• nonfinancial
• nonfissile
• nonfissionable
• nonflammable
• nonflavored
• nonflavoured
• nonflowering
• nonfluent aphasia
• nonfunctional
• nong
• nonglutinous
• nongonococcal urethritis
• nongovernmental organisation
• nongovernmental organization