Envelope

/ˈɛnvələʊp/ noun, verb

noun, verb ·Common ·High school level

Meaning at a glance

  • Primary sense: A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.
  • Grammar: envelope is listed as noun, verb.
  • Nearest alternatives: airship, aura, bandage, bandaging.
  • Useful contrasts: core, disjoin, expose.
  • Usage evidence: It might be a bit big but this envelope will do just fine. It's better to be too big than too small.

How to use "envelope"

  1. Start with the primary definition, then check the part of speech before placing the word in a sentence.
  2. Compare nearby synonyms to make sure "envelope" carries the exact meaning, tone, and strength you need.
  3. 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 "envelope" 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 "envelope" as the right word for your sentence.

If your draft is formal, technical, persuasive, or sensitive, compare "envelope" 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 "envelope" is acting as noun, verb 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 "airship" 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 "envelope", 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. 1
    A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.

    "Now we are liberal with our innermost secrets, spraying them into the public ether with a generosity our forebears could not have imagined. Where we once sent love letters in a sealed envelope, or stuck photographs of our children in a family album, now such private material is despatched to servers and clouds operated by people we don't know and will never meet."

  2. 2
    any wrapper or covering wordnet
  3. 3
    Something that envelops; a wrapping.
  4. 4
    a flat (usually rectangular) container for a letter, thin package, etc. wordnet
  5. 5
    A bag containing the lifting gas of a balloon or airship; fabric that encloses the gas-bags of an airship.

    "They have no internal or external support structure, being simply a fabric bag (or envelope) filled with a lighter than air gas. Inside the envelope are one or more "ballonets", or smaller bags, which help maintain the envelope's shape."

Show 12 more definitions
  1. 6
    the bag containing the gas in a balloon wordnet
  2. 7
    A mathematical curve, surface, or higher-dimensional object that is the tangent to a given family of lines, curves, surfaces, or higher-dimensional objects.
  3. 8
    the maximum operating capability of a system (especially an aircraft) wordnet
  4. 9
    A curve that bounds another curve or set of curves, as the modulation envelope of an amplitude-modulated carrier wave in electronics.
  5. 10
    a natural covering (as by a fluid) wordnet
  6. 11
    The shape of a sound, which may be controlled by a synthesizer or sampler.
  7. 12
    a curve that is tangent to each of a family of curves wordnet
  8. 13
    The information used for routing a message that is transmitted with the message but not part of its contents.
  9. 14
    An enclosing structure or cover, such as a membrane; a space between two membranes
  10. 15
    The set of limitations within which a technological system can perform safely and effectively.

    "push the envelope"

  11. 16
    The nebulous covering of the head or nucleus of a comet; a coma.
  12. 17
    An earthwork in the form of a single parapet or a small rampart, sometimes raised in the ditch and sometimes beyond it.

    "make a blind all along the bottom of the ditch of the Envelope"

Verb
  1. 1
    To put (something) in an envelope. rare, transitive

    "Arthur Armytage drew the precious document from his bureau; and without trusting himself to a re-perusal, enveloped and re-enveloped—sealed and resealed it;—mounted his horse, and rode off to Greta Castle."

  2. 2
    Archaic form of envelop. alt-of, archaic

    "Again, if the plane of the impressed couple intersects the mean plane between N and C, it will envelope the cone whose focals are ON, ON′, and whose internal axis is therefore OA."

Antonyms

coredisjoinexposeinner boundary

Example

"It might be a bit big but this envelope will do just fine. It's better to be too big than too small."

Common questions

What does "envelope" mean?

A paper or cardboard wrapper used to enclose small, flat items, especially letters, for mailing.

What is a synonym for "envelope"?

Common synonyms include: airship, aura, bandage, bandaging, binder, binding.

How do you use "envelope" in a sentence?

It might be a bit big but this envelope will do just fine. It's better to be too big than too small.

How do you pronounce "envelope"?

Pronounced /ˈɛnvələʊp/.

Etymology

Etymology 1

PIE word *h₁én From French enveloppe. The engineering sense is derived from flight envelope. The verb is from the noun.

Etymology 2

See envelop.

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