unused /un-ūzdˈ/ adjective

1. Not used
2. (also /un-ūstˈ/) unaccustomed
3. Unusual (archaic)

unuseful /-ūsˈ/ adjective

unuseˈfully adverb

• coat-trailing
• co-author
• co-authored
• co-authoring
• co-authors
• co-ax
• coax
• coaxed
• coaxer
• coaxers
• co-axes
• coaxes
• coaxial
• coaxial cable
• coaxial cables
• coaxially
• coaxial pairs
• coaxing
• coaxingly
• cob
• cobalamin
• cobalamins
• cobalt
• cobalt-60
• cobalt bloom