Common words that rhyme with malignant include indignant, oppugnant, pregnant, resonant, consonant, dominant, remnant, dissonant, instant, significant, brilliant, courant, unimportant, pleasant and slant.
The movie had a poignant ending.
His repugnant remarks caused an uproar.
The water in the pond became stagnant over time.
The dominant species adapted quickly.
The smell triggered instant disgust.
A significant difference is evident.