Definitions

1. adjective

lacking flavor, interest, or excitement; dull and unappealing

“The movie was so insipid that no one wanted to watch it.”

2. adjective

having little or no taste; not flavorful

“The insipid soup was a disappointment.”

3. noun

a person or thing that is dull and uninteresting

“The party was a bore, and he was the insipid guest of honor.”