Antonyms of adj detachable

1 sense of detachable

Sense 1
detachable (vs. attachable) -- (designed to be unfastened or disconnected without damage; "shirts with detachable collars")

attachable (vs. detachable) -- (capable of being fastened or added to something else; "a handle attachable by two bolts")
        => bindable, bondable -- (capable of being fastened or secured with a rope or bond)
        => clip-on -- (attachable by a clip; "clip-on earrings"; "a clip-on bow tie")
        => tie-on -- (fastened by tying on; "tie-on labels")

Similarity of adj detachable

1 sense of detachable

Sense 1
detachable (vs. attachable) -- (designed to be unfastened or disconnected without damage; "shirts with detachable collars")
       => clastic -- (capable of being taken apart; "the professor had a clastic model of the human brain")