Common words that rhyme with brilliant include valiant, radiant, giant, penchant, warrant, indignant, insignificant, extant, distant, relevant, repentant, fulgurant, vibrant, buoyant and oppugnant.
The sunset glowed with radiant colors.
The tree is absolutely giant.
The smell triggered instant disgust.
A significant difference is evident.
The court issued a warrant for his absconding.
His comment seemed insignificant in the grand scheme.