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Showing results for tester. Search instead for testier.
Synonyms

tester

1 American  
[tes-ter] / ˈtɛs tər /

noun

  1. a person or thing that tests.

tester 2 American  
[tes-ter, tees-] / ˈtɛs tər, ˈtis- /

noun

  1. a canopy, as over a bed or altar.

tester 3 American  
[tes-ter] / ˈtɛs tər /

noun

  1. the teston of Henry VIII.

tester 1 British  
/ ˈtɛstə /

noun

  1. a person or thing that tests or is used for testing

"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
tester 2 British  
/ ˈtɛstə /

noun

  1. (in furniture) a canopy, esp the canopy over a four-poster bed

"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
tester 3 British  
/ ˈtɛstə /

noun

  1. another name for teston

"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 tester1

First recorded in 1655–65; test 1 + -er 1

Origin of tester2

First recorded in 1350–1400; Middle English tester, testo(u)r, testir, teester “headpiece,” from Old French testiere “headpiece, head covering,” from Medieval Latin testerium, testrum, testura “canopy of a bed”; derivative of Vulgar Latin testa “head,” from Latin testa “earthenware jar; brick; tile”; test 2

Origin of tester3

First recorded in 1560–70; earlier testorn, variant of teston, with -r- from Middle French testart “teston”

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.

Another tester appreciated how easy it was to eat.

From Barron's • Feb. 24, 2026

Gifted with every upsell in Hyundai’s ample larder, our Calligraphy AWD tester carried 364 pounds of extra luxury around its midsection, compared to the FWD model.

From The Wall Street Journal • Jan. 8, 2026

Pour the batter into your prepared pan and bake for 30–35 minutes, until a tester comes out clean and the top is golden.

From Salon • Apr. 3, 2025

"You don't think of it being in a perfume tester bottle. We didn't know what we were looking for."

From BBC • Oct. 27, 2024

The Blue’s Clues tester played the part of Steve, and walked the kids through the script, making a careful note of all the questions they answered correctly and those that seemed to baffle them.

From "The Tipping Point" by Malcolm Gladwell

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.