on no account

(redirected from on no account must)

on no account

For no reason or incentive; not for anything. On no account will I agree to sign this deal. It is an insult to me and my family! You must on no account give your banking details to anyone over the phone or by email.
See also: account, no, on
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

on no account

 and not on any account
for no reason; absolutely not. On no account will I lend you the money. Will I say I'm sorry? Not on any account.
See also: account, no, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.

on no account

Also, not on any account. Under no circumstances, certainly not, as in On no account should you put a metal utensil in the microwave oven, or Dad said we can't go, not on any account. [Mid-1800s]
See also: account, no, on
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

on ˈno account

,

not on ˈany account

not for any reason: On no account (should you) try to fix the heater yourself. All repairs should be done by a trained engineer.
See also: account, no, on
Farlex Partner Idioms Dictionary © Farlex 2017

on no account

Under no circumstances.
See also: account, no, on
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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