Antonyms of adj operable

3 senses of operable

Sense 1
operable (vs. inoperable) -- (capable of being treated by surgical operation; "an operable cancer")

inoperable (vs. operable) -- (not suitable for surgery; "metastasis has rendered the tumor inoperable")

Sense 2
functional, usable, useable, operable, operational -- (fit or ready for use or service; "the toaster was still functional even after being dropped"; "the lawnmower is a bit rusty but still usable"; "an operational aircraft"; "the dishwasher is now in working order")

INDIRECT (VIA serviceable) -> unserviceable -- (not ready for service; "unserviceable equipment may be replaced")

Sense 3
operable, practicable -- (usable for a specific purpose; "an operable plan"; "a practicable solution")

INDIRECT (VIA practical) -> impractical -- (not practical; not workable or not given to practical matters; "refloating the ship proved impractical because of the expense"; "he is intelligent but too impractical for commercial work"; "an impractical solution")

Similarity of adj operable

3 senses of operable

Sense 1
operable (vs. inoperable) -- (capable of being treated by surgical operation; "an operable cancer")

Sense 2
functional, usable, useable, operable, operational -- (fit or ready for use or service; "the toaster was still functional even after being dropped"; "the lawnmower is a bit rusty but still usable"; "an operational aircraft"; "the dishwasher is now in working order")
       => serviceable (vs. unserviceable) -- (ready for service or able to give long service; "serviceable equipment"; "heavy serviceable fabrics")

Sense 3
operable, practicable -- (usable for a specific purpose; "an operable plan"; "a practicable solution")
       => practical (vs. impractical) -- (concerned with actual use or practice; "he is a very practical person"; "the idea had no practical application"; "a practical knowledge of Japanese"; "woodworking is a practical art")