Definitely not!

definitely not

Absolutely not. A: "Now, be honest—have you ever stolen money from this company?" B: "Definitely not!" A: "Are you lying to us right now?" B: "Definitely not." A: "Well, the lie detector suggests otherwise." A: "Are you going to sign up for this overtime refund scheme?" B: "Definitely not, it's a total rip-off!"
See also: definitely, not
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

Definitely not!

 and Certainly not!
No, without any doubt at all. (Compare this with Absolutely not!) Bill: Will you lend me some money? Bob: No way! Definitely not! Bob: Have you ever stolen anything? Fred: Certainly not!
See also: Definitely
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also:
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