His trite remarks failed to cut any ice with the audience.

Illogical : lacking sense or clear, sound reasoning.
Hackneyed : (of a phrase or idea) having been overused; unoriginal and trite.
Bitter : having a sharp, pungent taste or smell; not sweet.
Sharp : (of an object) having an edge or point that is able to cut or pierce something.
Trite : (of a remark or idea) lacking originality or freshness; dull on account of overuse.

Synonym of Trite is Hackneyed