Antonyms of adj unwarranted

3 senses of unwarranted

Sense 1
indefensible, insupportable, unjustifiable, unwarrantable, unwarranted -- (incapable of being justified or explained)

INDIRECT (VIA inexcusable) -> excusable -- (capable of being overlooked)

Sense 2
baseless, groundless, idle, unfounded, unwarranted, wild -- (without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy")

INDIRECT (VIA unsupported) -> supported -- (sustained or maintained by aid (as distinct from physical support); "a club entirely supported by membership dues"; "well-supported allegations")

Sense 3
undue, unjustified, unwarranted -- (lacking justification or authorization; "desire for undue private profit"; "unwarranted limitations of personal freedom")

INDIRECT (VIA unreasonable) -> reasonable, sensible -- (showing reason or sound judgment; "a sensible choice"; "a sensible person")

Similarity of adj unwarranted

3 senses of unwarranted

Sense 1
indefensible, insupportable, unjustifiable, unwarrantable, unwarranted -- (incapable of being justified or explained)
       => inexcusable (vs. excusable) -- (without excuse or justification)

Sense 2
baseless, groundless, idle, unfounded, unwarranted, wild -- (without a basis in reason or fact; "baseless gossip"; "the allegations proved groundless"; "idle fears"; "unfounded suspicions"; "unwarranted jealousy")
       => unsupported (vs. supported) -- (not sustained or maintained by nonmaterial aid; "unsupported accusations")

Sense 3
undue, unjustified, unwarranted -- (lacking justification or authorization; "desire for undue private profit"; "unwarranted limitations of personal freedom")
       => unreasonable (vs. reasonable) -- (not reasonable; not showing good judgment)

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