Synonym for prohibit is "impede"

bar [verb]

means "obstruction"
block, hinder, impede, stop, prohibit, restrain

- conjugate verb bar
- translate bar

circumscribe [verb]

means "limit"
restrict, confine, define, outline, prohibit, demarcate

- conjugate verb circumscribe

debar [verb]

means "hinder"
prohibit

- conjugate verb debar

delimit [verb]

means "limit"
restrict, confine, define, outline, prohibit, demarcate

- conjugate verb delimit

inhibit [verb]

means "forbid"
ban, prohibit, prevent, outlaw, interdict

- conjugate verb inhibit

obstruct [verb]

means "bar"
block, hinder, impede, stop, prohibit, restrain

- conjugate verb obstruct

outlaw [verb]

means "ban"
interdict, prohibit, stop, deny, proscribe, banish

- conjugate verb outlaw

preclude [verb]

means "exclude"
omit, eliminate, rule out, prohibit, proscribe, veto

- conjugate verb preclude

shut [verb]

means "action"
bar, exclude, prohibit, preclude

- conjugate verb shut

prohibited [adjective]

means "forbidden"
restricted, illegal, proscribed

prohibition [noun]

means "ban"
interdiction, limitation, proscription, taboo

prohibitive [adjective]

means "barring"
exclusive, restricted, excluding, incompatible

barring [adjective]

means "exclusive"
prohibitive, restricted, excluding, incompatible

cancellation [noun]

means "exclusion"
preclusion, prohibition, breach, omission, repudiation, elimination

exclusive [adjective]

means "barring"
prohibitive, restricted, excluding, incompatible

- translate exclusive

forbidden [adjective]

means "banned"
contraband, prohibited, taboo

illegal [adjective]

means "unlawful"
lawless, prohibited, criminal, illicit, unauthorized, illegitimate

omission [noun]

means "exclusion"
preclusion, prohibition, breach, cancellation, repudiation, elimination

preclusion [noun]

means "exclusion"
omission, prohibition, breach, cancellation, repudiation, elimination

repudiation [noun]

means "exclusion"
preclusion, prohibition, breach, cancellation, omission, elimination

restrictive [adjective]

means "confining"
limiting, prohibitive, tight, narrow, obstructive, cramped

slighting [noun]

means "exclusion"
preclusion, prohibition, breach, cancellation, repudiation, elimination

taboo [adjective]

means "forbidden"
banned, restricted, prohibited, sacred, unclean

unapproved [adjective]

means "unauthorised"
unsanctioned, illegal, prohibited, uncertified, unofficial, illicit

unauthorised [adjective]

means "unapproved"
unsanctioned, illegal, prohibited, uncertified, unofficial, illicit

unauthorized [adjective]