Adjective
ridiculous - Deserving or inviting mockery or laughter due to being absurd or unreasonable; outrageously unreasonable or exaggerated in a way that provokes disbelief.

They laughed when he made the ridiculous claim that he could lift a car by himself, but then lo and behold they watched him actually do it.
resounding - Referring to something that is striking, definite, or leaves a strong impression, such as a victory or success.

The season concluded with a resounding victory, with the team winning by a margin so large it left no doubt about their superiority.