noun

1. A stupid person; a fool.

2. The state or condition of being stupid.

   “His stupid knows no bounds.”

adjective

1. Lacking in intelligence or exhibiting the quality of having been done by someone lacking in intelligence.

2. To the point of stupor.

   “Neurobiology bores me stupid.”

3. Characterized by or in a state of stupor; paralysed.

Synonyms: inept

adverb

1. Extremely.

   “My gear is stupid fly.”