Dictionary.com
Thesaurus.com

fess

1 American  
[fes] / fɛs /
Or fesse

noun

Heraldry.
  1. an ordinary in the form of a broad horizontal band across the middle of an escutcheon.


fess 2 American  
[fes] / fɛs /

verb phrase

  1. fess up to admit or concede, especially freely.


fess 3 American  
[fes] / fɛs /
Also fessor

noun

Chiefly South Midland and Southern U.S.
  1. a teacher.


fess British  
/ fɛs /

verb

  1. informal to make a confession

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fess1

First recorded in 1350–1400; Middle English fes(se), veece, fesshe, from Old French, ultimately from Latin fascia fascia

Origin of fess2

An Americanism dating back to 1830–40; shortening of confess

Origin of fess3

First recorded in 1905–10; shortening of professor

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The SNP MSP told reporters: "I will freely fess up to things I've done but I will not apologise for things I've not done."

From BBC • Sep. 18, 2025

Those who refused were sent to an administrator’s office to call their parents and fess up to breaking the rule.

From Los Angeles Times • Dec. 2, 2024

Officers — like everyone — have a Fifth Amendment right against self-incrimination and can’t be forced to fess up to potential misconduct just to have those statements later used against them in a criminal case.

From Seattle Times • Feb. 8, 2023

Despite his repeated attempts to coax Rackstraw to fess up, Colbert was ultimately unsuccessful as Rackstraw continued to deny, deny and deny.

From Salon • Jul. 18, 2022

I guessed I’d better fess up about the diviner, since that cat was out of the bag anyway.

From "Moon Over Manifest" by Clare Vanderpool

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "fess" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com