Here's what rhymes with interdefinable.
definable indefinable undefinable Words that almost rhyme with interdefinable
desirable viable sizable sizeable decidable liable advisable excitable assignable likable likeable risible liveable deniable reliable undesirable pliable inadvisable describable certifiable survivable justifiable undeniable unjustifiable indictable ascribable recyclable notifiable climbable unlikeable unliveable identifiable unreliable indescribable verifiable ammoniacal libidinal realizable cognizable maniacal analyzable unverifiable rectifiable nonassignable irreconcilable classifiable demoniacal reconcilable unidentifiable recognizable monomaniacal unrecognizable