Synonyms of unusable

unusable

adjective

ˌən-ˈyü-zə-bəl 

as in useless

not capable of being put to use or account

a completely unusable gadget that's just taking up space in the drawer

Synonyms & Similar Words

• useless
• impractical
• unsuitable
• unworkable
• unserviceable
• inoperable
• impracticable
• unavailable
• inaccessible
• nonpractical
• unreachable
• inoperative
• unobtainable
• unattainable
• inert
• inactive
• idle
• fallow
• latent
• dormant
• interrupted
• suspended
• arrested
• unrealistic
• free
• dead

Antonyms & Near Antonyms

• usable
• useful
• practical
• feasible
• functional
• operational
• applicable
• available
• workable
• serviceable
• practicable
• operable
• accessible
• obtainable
• utilizable
• ultrapractical
• reachable
• handy
• operating
• active
• functioning
• procurable
• acquirable
• busy
• operative
• working
• employed
• alive
• running
• all-around

Example Sentences

Recent Examples of unusable

Predicted in the 1970s by NASA physicist Donald Kessler, this chain of orbital smashups could make the space around Earth unusable and unsafe. — Tereza Pultarova, Space.com, 20 Oct. 2026

Shows promise in testing This technology turns unusable, high-arsenic copper into valuable inventory, creating new revenue and cutting operating costs. — Mrigakshi Dixit, Interesting Engineering, 19 Oct. 2026

Some Longmont residents say their cellphones have become nearly unusable in recent weeks, leaving them unable to reliably make calls, contact their children's schools or reach family members. — Sarah Horbacewicz, CBS News, 15 Oct. 2026

When exposed to moisture, including indoor humidity, powder detergent clumps and hardens, rendering it unusable. — Kamron Sanders, Better Homes & Gardens, 13 Oct. 2026