1. So unexpected as to have not been imagined
   "an unthought-of place to find the key"
   - unhoped, unhoped-for, unthought

See also: unexpected

• machine stitch
• machine tool
• machine translation
• machine-accessible
• machine-controlled
• machine-displayable text
• machine-driven
• machine-made
• machine-oriented language
• machine-readable text
• machine-wash
• machinelike
• machinery
• machinist
• machinist's vise
• machismo
• machmeter
• macho
• macho-man
• Machu Picchu
• Machupo virus
• macintosh
• mack
• Mack Sennett
• Mackem