1. Not firmly or solidly positioned
   "an unfirm stance"
   - unsteady 
2. (of soil) unstable
   "unfirm earth"
   - shifting

See also: loose, unfixed

• Hygrophorus turundus
• hygrophyte
• hygrophytic
• hygroscope
• hygroscopic
• Hygroton
• liquorice root
• Lir
• lira
• Liriodendron
• Liriodendron tulipifera
• Liriope
• Liriope muscari
• lis pendens
• Lisboa
• Lisbon
• Lise Meitner
• lisinopril
• lisle
• lisle thread
• lisp
• LISP compiler
• LISP program
• lisper
• lispingly