Antonyms of adj adjustable

2 senses of adjustable

Sense 1
adjustable -- (capable of being changed so as to match or fit; "adjustable seat belts")

INDIRECT (VIA adaptable) -> unadaptable -- (not adaptable)

Sense 2
adjustable -- (capable of being regulated; "adjustable interest rates")

INDIRECT (VIA changeable) -> unchangeable -- (not changeable or subject to change; "a fixed and unchangeable part of the germ plasm"-Ashley Montagu; "the unchangeable seasons"; "one of the unchangeable facts of life")

Similarity of adj adjustable

2 senses of adjustable

Sense 1
adjustable -- (capable of being changed so as to match or fit; "adjustable seat belts")
       => adaptable (vs. unadaptable) -- (capable of adapting (of becoming or being made suitable) to a particular situation or use; "to succeed one must be adaptable"; "the frame was adaptable to cloth bolts of different widths")

Sense 2
adjustable -- (capable of being regulated; "adjustable interest rates")
       => changeable (vs. unchangeable), changeful -- (such that alteration is possible; having a marked tendency to change; "changeable behavior"; "changeable moods"; "changeable prices")