|  | 
Definition of Hilarious
1. Adjective. Marked by or causing boisterous merriment or convulsive laughter. "Uproarious stories" 
Definition of Hilarious
1. a. Mirthful; noisy; merry.
Definition of Hilarious
1. [adj]
|  | 
1. Adjective. Marked by or causing boisterous merriment or convulsive laughter. "Uproarious stories" 
1. a. Mirthful; noisy; merry.
1. [adj]