Synonyms of impermissible

impermissible

adjective

ˌim-pər-ˈmi-sə-bəl 

as in prohibited

that may not be permitted

trial juries must be able to discern the difference between a permissible inference and impermissible speculation

Synonyms & Similar Words

• prohibited
• forbidden
• banned
• outlawed
• illegal
• improper
• unlawful
• barred
• unauthorized
• proscribed
• unacceptable
• taboo
• illicit
• inappropriate
• interdicted
• verboten
• unbearable
• tabu
• unsuitable
• illegitimate
• objectionable
• excluded
• unendurable
• intolerable
• unseemly
• rejected
• unlicensed
• refused
• prevented
• ineffable
• disallowed
• unmentionable
• precluded
• unsanctioned
• revoked
• stopped
• discouraged
• vetoed
• suppressed
• blocked
• repressed
• disapproved
• hindered
• obstructed
• shut out
• impeded
• ruled out

Antonyms & Near Antonyms

• permissible
• allowable
• acceptable
• appropriate
• permitted
• permissive
• legal
• legitimate
• lawful
• tolerable
• authorized
• okay
• endorsed
• approved
• bearable
• accepted
• endurable
• certified
• OK
• licensed
• allowed
• accredited
• sanctioned
• warranted
• sufferable
• granted
• promoted
• mandatory
• supported
• suitable
• indorsed
• required
• commanded
• encouraged
• proper
• unobjectionable
• condoned
• ordered
• accorded
• vouchsafed
• tolerated
• countenanced
• seemly
• brooked

Example Sentences

Recent Examples of impermissible

The program’s only Big Sky tourney title, garnered with a 66-50 win over Montana in 2011, was later vacated by the NCAA after UNC was sanctioned for improper management of its student-athletes’ academics and impermissible financial benefits. —Sean Keeler, The Denver Post, 12 Mar. 2025

Sampson was temporarily exiled from college basketball after resigning from Indiana under NCAA scrutiny for violations of a rule (impermissible phone calls to recruits) that has since been removed from the rule books. —Cj Moore, The Athletic, 25 Feb. 2025

On Wednesday, Moore posted a letter on social media, calling the banishment by Burns an impermissible censorship of his voice. —Fernando Cervantes Jr., USA TODAY, 16 Jan. 2025

The Tennessee/Pruitt recruiting scandal from a few years ago involved $60,000 in impermissible benefits spread across 39 athletes or their families. —Stewart Mandel, The Athletic, 15 Jan. 2025