Definitions

1. noun

nonsensical or meaningless talk, writing, or language

“The professor’s response to the question was a string of gibberish that confused everyone.”

2. verb

to talk or write in a nonsensical or meaningless way

“The student was accused of gibbering nonsense during the exam.”

3. adjective

not making sense or being nonsensical

“The author’s use of made-up words made the story gibberish to readers.”