Antonyms of adj tractable

2 senses of tractable

Sense 1
tractable (vs. intractable), manipulable -- (easily managed (controlled or taught or molded); "tractable young minds"; "the natives...being...of an intelligent tractable disposition"- Samuel Butler)

intractable (vs. tractable) -- (not tractable; difficult to manage or mold; "an intractable disposition"; "intractable pain"; "the most intractable issue of our era"; "intractable metal")
        => balking, balky -- (stopping short and refusing to go on; "a balking"; "a balky mule"; "a balky customer")
        => refractory, stubborn -- (not responding to treatment; "a stubborn infection"; "a refractory case of acne"; "stubborn rust stains")
        => uncontrollable, unmanageable -- (difficult to solve or alleviate; "uncontrollable pain")
        => unmalleable -- (difficult or impossible to shape or work)

Sense 2
amenable, tractable -- (readily reacting to suggestions and influences; "a responsive student")

INDIRECT (VIA susceptible) -> unsusceptible, insusceptible -- (not susceptible to)

Similarity of adj tractable

2 senses of tractable

Sense 1
tractable (vs. intractable), manipulable -- (easily managed (controlled or taught or molded); "tractable young minds"; "the natives...being...of an intelligent tractable disposition"- Samuel Butler)
       => ductile, malleable -- (easily influenced)
       => docile, teachable -- (ready and willing to be taught; "docile pupils eager for instruction"; "teachable youngsters")
       => tamable, tameable -- (capable of being tamed)
          Also See-> compliant#1; docile#1; manageable#1; obedient#1; tame#3, tamed#1

Sense 2
amenable, tractable -- (readily reacting to suggestions and influences; "a responsive student")
       => susceptible (vs. unsusceptible) -- ((often followed by `of' or `to') yielding readily to or capable of; "susceptible to colds"; "susceptible of proof")