envelopes
Paper letter holders
Envelopes are flat paper containers for letters or documents, with a flap that folds over and seals.
The word extends to any enclosing layer: the envelope of atmosphere surrounding Earth.
To push the envelope is to test limits—from aviation, where the flight envelope defines a plane's safe operating range.
The verb envelope (no s) means to surround completely: Fog enveloped the city.
Fee for mailing
- stampsPostal payment adhesives
- mailPostal system items
- correspondenceExchanged written communication
- lettersAlphabetic characters or mail
addressing · mailbox · postal · delivery · sender · recipient · postmark · airmail
Protective product enclosure
- pouchesSmall flexible containers
- sleevesGarment's arm portions
- wrappersOuter product coverings
- jacketsWaist-length outer garments
pockets · enclosures · mailers · padded · bubble · manila · clasp · document
One-sided attached cover
- adhesiveMaterial that bonds objects
- gummedCoated with adhesive
- peel-and-sealPre-glued envelope closure
- self-sealingCloses automatically after puncture
moistening · licking · tucking · clasp · tamper-evident · security · opened · unsealed
Pressed pulp for writing
- letterheadBranded formal stationery
- notepaperSheets for correspondence
- vellumPrepared calfskin for writing
- parchmentTreated hide for manuscripts
watermarked · embossed · monogrammed · personalized · calligraphy · handwritten · A2 · window
Requests to attend
- announcementsOfficial statements to many
- RSVPRequest for reply
- weddingMarriage rite and feast
- birthdayAnnual date of origin
condolence · penpal · epistolary · handwritten · personal · formal · business
Closed to prevent entry
- confidentialMeant to stay secret
- tamper-proofResistant to unauthorized modification
- opaqueImpassable to light
- discreetCareful to avoid notice
private · sensitive · unmarked · plain · nondescript · anonymous
postage
Fee for mailing
- stampsPostal payment adhesives
- mailPostal system items
- correspondenceExchanged written communication
letters · addressing · mailbox · postal · delivery · sender · recipient · postmark · airmail · snail-mail
packaging
Protective product enclosure
jackets · pockets · enclosures · mailers · padded · bubble · manila · clasp · document · sleeve
flap
One-sided attached cover
- adhesiveMaterial that bonds objects
- gummedCoated with adhesive
- peel-and-sealPre-glued envelope closure
self-sealing · moistening · licking · tucking · clasp · tamper-evident · security · opened · unsealed · resealed
paper
Pressed pulp for writing
- letterheadBranded formal stationery
- notepaperSheets for correspondence
- vellumPrepared calfskin for writing
parchment · watermarked · embossed · monogrammed · personalized · calligraphy · handwritten · A2 · window · kraft
invitations
Requests to attend
- announcementsOfficial statements to many
- RSVPRequest for reply
- weddingMarriage rite and feast
birthday · condolence · penpal · epistolary · handwritten · personal · formal · business
sealed
Closed to prevent entry
- confidentialMeant to stay secret
- tamper-proofResistant to unauthorized modification
- opaqueImpassable to light
discreet · private · sensitive · unmarked · plain · nondescript · anonymous
- office suppliespens, pencils, paper clip, staplers, paperclip
- mailletter, letters, mail, email, postcard
- postalmail, mail delivery, stamp, stamps, mail service
- postal servicepost office, mail, sorting machine, stamps, stamp
- postal servicespost office, mail, stamps, delivery, packages
- mail roompackages, stamps, letters, mailboxes, sorting
envelopescontents
What something holds
interiors · insides · letters · enclosures · inserts
envelopesletters
Alphabetic characters or mail
correspondence · messages · missives · notes · cards
- push the envelopeChallenge established boundaries
- pushing the envelopeChallenging established limits
- manila envelopeSturdy tan document holder
- pushed the envelopeExceeded conventional boundaries
- sealed envelopeSecured folded paper pouch
- pushes the envelopeExceeds conventional boundaries