-
pre-
pre-a prefix occurring originally in loanwords from Latin, where it meant “before” (preclude; prevent ); applied freely as a prefix, with the meanings “prior to,” “in advance of,” “early,” “beforehand,” “before,” “in front of,” and with other figurative meanings (preschool; prewar; prepay; preoral; prefrontal ).
-
P.R.E.
P.R.E.abbreviationPetroleum Refining Engineer.
pre-
1 Americanabbreviation
prefix
Etymology
Origin of pre-
< Latin prae-, prefixal use of prae (preposition and adv.); akin to first, fore-, prior 1, pro 1
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.
A 2025 UC Institutional Research and Academic Planning report found that student outcomes pre- and post-SAT/ACT requirement stayed mostly stable.
From Los Angeles Times • Jun. 11, 2026
“NewsNation got the last Republican primary debate, and for the pre- and postshow discussions, they didn’t have a single Democrat,” she said.
From Slate • Apr. 21, 2026
The IRS limit on total pre- and post-tax contributions is about $75,000, so I have been working the last few years to pad our Roth savings.
From MarketWatch • Mar. 13, 2026
Many advisors recommend a mix of pre- and post-tax money in retirement for maximum flexibility.
From Barron's • Nov. 27, 2025
His absence bloomed in her until she grew absent herself, pre- ternaturally agreeable.
From "Typical American" by Gish Jen
![]()
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.