priority mail

Faster postal service

Priority Mail is a U.S.

Postal Service shipping class offering faster delivery than standard mail, typically within one to three days.

The flat-rate pricing for boxes of any weight makes it popular for heavier shipments: I sent the books priority mail so they'd arrive by Friday.

Other postal services offer similar tiers under different names.

Opposites
shipping speed

priority mailstandard mail

Basic postal service tier

economy shipping · ground shipping · surface mail · parcel post · media mail

cost tier

priority mailfirst-class mail

Standard letter service

bulk rate · media mail

urgency/importance

priority mailjunk mail

Unsolicited commercial correspondence

bulk mail · circulars · advertising mail

Family

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Known to kids · Mostly American · Timeless · Concrete · Everyday, not technical · Rated G