on the quiet

Without telling anyone

On the quiet means secretly or discreetly, without attracting attention or official notice: They've been seeing each other on the quiet.

The phrase suggests deliberate concealment rather than mere privacy—something done away from public view or kept from people who might object.

More common in British than American English.

Related

discreet · sub rosa · surreptitiously · asides · covert · need to know · confidential · secretive · off-the-record · inconspicuous · flying under the radar · stealthily · whispered · under one's breath · low-key · cloak-and-dagger · muffled · hushed

Opposites
openness/visibility of action

on the quietopenly

Without hiding anything

publicly · in the open · out in the open · in public · for all to see

social announcement

on the quietloudly

With great volume

noisily · officially · formally · ceremoniously · boisterously

formality/officialness

on the quietofficially

With authorized sanction

on the record · by the book · formally · on paper · legitimately

Family

quiet, quietly, quietness, disquiet, quieten, disquieting, unquiet, quietism, disquiets

Familiarity
Top 500,000
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Timeless · Abstract · Everyday, not technical · Rated G