Here's what rhymes with impenetrant.
Words that almost rhyme with impenetrant
tenement intelligent embarrassment impediment decadent embezzlement petulant registrant imperilment definite relevant settlement delicate regiment sentiment deficit indefinite prevalent sediment antecedent desolate detriment resonant testament baronet merriment gentlest integument pessimist redolent pestilent tepidest experiment irrelevant specialist temperament therapist benevolent negligent prejudiced malevolent pleasantest unintelligent envelopment impressionist secondment eugenicist development feminist requisite nonresident preeminent resettlement presentiment unprejudiced anesthetist centralist geneticist carefullest metricate affectionate expressionist perfectionist polemicist nonspecialist restfullest prerequisite redevelopment underdevelopment