Answer & Explanation:
irregular
intolerant
(inadequate) already an opposite, unless you use "adequate"
nondemanding
(tre) not sure what this word is
(permane) not sure what this word is
inacceptable
inactive
undisputed
illegal
(coheren) not sure what this word is, unless you meant coherent, so incoherent would be the opposite
unpatriotic
illogical
inaccessible
irresponsible
impossible