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Definition of re

re

/reɪ/
re

Plural:res
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re Lexical Profile

re Game Scores & Validity

• preposition

1

In the matter of; concerning or regarding (used chiefly in official, legal, or business correspondence and email subject lines).

Example

"I am writing to you re the upcoming contract renewal scheduled for next month."

Synonyms
View all synonyms for re

• noun

1

In solfège, the syllable used to represent the second degree (supertonic) of a diatonic musical scale, or the note D in fixed-do systems.

Example

"The choir director asked the tenors to sustain the re before resolving down to do."

Word Nuance & Usage

Wait to use 're' as a preposition primarily in business correspondence, legal headings, or email subject lines; in formal prose, phrases like 'regarding' or 'concerning' are preferred, and 're' is NOT an abbreviation for 'regarding' (it comes directly from the Latin ablative of 'res', meaning 'in the matter of').

• Rhymes for re

Word Origin & Etymology

As a preposition, borrowed from Latin 'rē', the ablative singular of 'rēs' ('thing, matter, affair'). As a musical noun, derived from the first syllable of 'resonare' in a medieval Latin hymn used by Guido d'Arezzo to name the notes of the scale.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Re. In Wordmom Dictionary. Retrieved Nov 15, 2026, from https://wordmom.com/dictionary/re
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