1. Converted into a gas or vapour
   - gasified, vaporized, volatilized, volatilised [Brit], vaporised [Brit]

See also: gaseous

• unruly
• unsaddle
• unsaddled
• unsafe
• unsafely
• unsaid
• unsalable
• unsalaried
• unsaleable
• unsalted
• unsanctification
• unsanctified
• unsanctify
• unsanctioned
• unsanded
• unsanitariness
• unsanitary
• unsaponified
• unsarcastic
• unsated
• unsatiable
• unsatiably
• unsatiated
• unsatisfactorily
• unsatisfactoriness