What does "or" mean?
Alternative form of OR.
Or
/ə(ɹ)/ adj, adv, conj, name, noun, prep
adj, adv, conj, name, noun, prep ·Common ·High school level
Meaning at a glance
- Primary sense: Alternative form of OR.
- Grammar: or is listed as adj, adv, conj, name, noun, prep.
- Nearest alternatives: -ster, achievement, alerion, and/or.
- Useful contrasts: presidential and congressional elections, greatly altered text, and.
- Usage evidence: We must learn to live together as brothers, or we will perish together as fools.
How to use "or"
- Start with the primary definition, then check the part of speech before placing the word in a sentence.
- Compare nearby synonyms to make sure "or" carries the exact meaning, tone, and strength you need.
- Use the example sentence as a context check. If your sentence uses the word differently, confirm that the grammar still fits.
Meaning check
- Does the word fit the sentence's grammar?
- Does it match the intended tone rather than only the dictionary definition?
- Would a simpler synonym be clearer for the reader?
- Is there enough surrounding context to prevent ambiguity?
Source and review context
This entry combines structured lexical data with WordToolSet review checks. Definitions, examples, synonyms, and usage notes may come from different source tables, so the page is designed to show evidence from more than one angle before you rely on "or" in a final draft.
If a word has several senses, prefer the sense that matches your sentence's grammar and surrounding context. A correct definition can still be the wrong choice when the sentence needs a different register, emphasis, or level of specificity.
Before you rely on this definition
Read the first definition as a starting point, then check the example, synonyms, and part of speech before treating "or" as the right word for your sentence.
If your draft is formal, technical, persuasive, or sensitive, compare "or" with a nearby alternative so the final choice matches both meaning and reader expectation.
Compare nearby meanings
- Use synonyms when you need a softer, stronger, simpler, or more specific word.
- Use antonyms to check the boundary of the meaning and avoid accidental contrast.
- Use the example sentence to confirm the word behaves naturally in context.
- Keep the original wording when a replacement adds complexity without improving precision.
Definition decision workflow
1. Identify the role
Check whether "or" is acting as adj, adv, conj, name, noun, prep in your sentence. A definition is only useful when the grammar matches the way the word is being used.
2. Test the nearest option
Compare it with "-ster" and other nearby choices to see whether the sentence needs a softer, stronger, or more familiar word.
3. Confirm with context
Use the example sentence below as an evidence check, then read your own sentence out loud to catch tone or rhythm problems.
Review note: Definition pages are checked for source coverage, sentence evidence, synonym support, and editorial insight before they are treated as approval-ready pages. If the evidence is too thin, the page remains available to users but is kept out of the approval-facing indexed inventory.
Final meaning check
Before publishing a sentence with "or", ask whether the word helps the reader understand the idea faster. A precise word should reduce confusion, not simply make the sentence look more polished.
When the definition, synonym evidence, and example context point in the same direction, the word is usually a safer choice. When they conflict, revise the sentence or choose a clearer alternative.
Definitions
Noun
- 1 Alternative form of OR. alt-of, alternative
- 2 The gold or yellow tincture on a coat of arms. countable, uncountable
"The metals are gold and silver, these being termed "or" and "argent"."
- 3 The binary operator inclusive or, true if one at least one of two inputs is true. In infix notation. uncountable
"The proof (Tables 9 and 10) of idempotence for both OR and AND follows from examining the definition of each operation under the constraint that both inputs have the same value."
- 4 Initialism of operating room. abbreviation, alt-of, countable, initialism
"Max Fischer: I like your nurse's uniform, guy. -- Dr. Peter Flynn: These are O.R. scrubs. -- Max Fischer: Oh, are they?"
- 5 a room in a hospital equipped for the performance of surgical operations wordnet
Show 7 more definitions
- 6 Initialism of official receipt. Philippines, abbreviation, alt-of, countable, initialism
- 7 Initialism of operations research. abbreviation, alt-of, initialism, uncountable
- 8 Initialism of Olympic Record. abbreviation, alt-of, countable, initialism
- 9 Initialism of odorant receptor. abbreviation, alt-of, countable, initialism
- 10 Initialism of olfactory receptor. abbreviation, alt-of, countable, initialism
- 11 Initialism of original research. abbreviation, alt-of, countable, initialism, uncountable
- 12 Initialism of other ranks. abbreviation, alt-of, countable, initialism, uncountable
Adjective
- 1 Of gold or yellow tincture on a coat of arms. not-comparable
Adverb
- 1 Early (on). obsolete
- 2 Earlier, previously. obsolete
Conjunction
- 1 Connects at least two alternative words, phrases, clauses, sentences, etc., each of which could make a passage true.
"You may either stay or come."
- 2 Inclusive or; either one proposition or the other is true or both.
- 3 An operator denoting the disjunction of two propositions or truth values. There are two forms, the inclusive or and the exclusive or.
- 4 A lexical symbol to implement inclusive or in a computer language.
- 5 Counts the elements before and after as two possibilities.
Show 3 more definitions
- 6 A logic gate to implement inclusive or.
- 7 Otherwise (a consequence of the condition that the previous is false).
"It's raining! Come inside or you'll catch a cold!"
- 8 Connects two equivalent names.
"The country Myanmar, or Burma"
Preposition
- 1 Before; ere. Generally followed by "ever" or "e'er". archaic, dialectal
"Or euer the siluer corde be loosed, or the golden bowle be broken, or the pitcher be broken at the fountaine, or the wheele broken at the cisterne. Then shall the dust returne to the earth as it was: and the spirit shall returne vnto God who gaue it."
Proper Noun
- 1 Abbreviation of Oregon: a state of the United States. abbreviation, alt-of
- 2 A surname.
- 3 Abbreviation of Orissa, former name of Odisha: a state of India. abbreviation, alt-of
Synonyms
All synonymsAntonyms
Example
"We must learn to live together as brothers, or we will perish together as fools."
Common questions
What is a synonym for "or"?
Common synonyms include: -ster, achievement, alerion, and/or, animal charge, annulet.
How do you use "or" in a sentence?
We must learn to live together as brothers, or we will perish together as fools.
How do you pronounce "or"?
Pronounced /ə(ɹ)/.
Etymology
Etymology 1
From Middle English or; partially contracted from other, auther, from Old English āþor, āwþer, āhwæþer ("some, any, either"; > either); and partially from Middle English oththe, from Old English oþþe, from Proto-Germanic *efþau (“or”).
Etymology 2
From Etymology 1 (sense 2 above).
Etymology 3
From late Middle English or (“gold”), borrowed from Middle French or (“yellow”), from Old French or, from Latin aurum (“gold”). Doublet of aurum.
Etymology 4
From Late Old English ār, from Old Norse ár. Compare ere.
Etymology 5
Borrowed from Cantonese 柯 (o1) or from Hebrew אור ('ór). This surname is mostly found in Hong Kong.
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