[ lip ]
See synonyms for: liplippedlippinglips on

  1. either of the two fleshy parts or folds forming the margins of the mouth and functioning in speech.

  2. Usually lips . these parts as organs of speech: I heard it from his own lips.

  1. lipstick: She usually wears a dramatic red lip.

  2. a projecting edge on a container or other hollow object: the lip of a pitcher.

  3. a liplike part or structure, especially of anatomy.

  4. any edge or rim.

  5. the edge of an opening or cavity, as of a canyon or a wound: the lip of the crater.

  6. Slang. impudent talk; back talk: Don't give me any of your lip.

  7. Botany. either of the two parts into which the corolla or calyx of certain plants, especially of the mint family, is divided.

  8. Zoology.

    • a labium.

    • the outer or the inner margin of the aperture of a gastropod's shell.

  9. Music. the position and arrangement of lips and tongue in playing a wind instrument; embouchure.

  10. the cutting edge of a tool.

  11. the blade, at the end of an auger, which cuts the chip after it has been circumscribed by the spur.

  12. (in a twist drill) the cutting edge at the bottom of each flute.

  1. of or relating to the lips or a lip: lip ointment.

  2. characterized by or made with the lips: to read lip movements.

  1. superficial or insincere: to offer lip praise.

verb (used with object),lipped, lip·ping.
  1. to touch with the lips.

  2. Golf. to hit the ball over the rim of (the hole).

  1. to utter, especially softly.

  2. to kiss.

verb (used without object),lipped, lip·ping.
  1. to use the lips in playing a musical wind instrument.

Verb Phrases
  1. lip off, Slang. to talk impudently or belligerently.

Idioms about lip

  1. bite one's lip / tongue, to repress one's anger or other emotions: He wanted to return the insult, but bit his lip.

  2. button one's lip, Slang. to keep silent, especially, to refrain from revealing information: They told him to button his lip if he didn't want trouble.: Also button up.

  1. hang on the lips of, to listen to very attentively: The members of the club hung on the lips of the visiting lecturer.

  2. keep a stiff upper lip,

    • to face misfortune bravely and resolutely: Throughout the crisis they kept a stiff upper lip.

    • to suppress the display of any emotion.

  3. smack one's lips, to indicate one's keen enjoyment or pleasurable anticipation of: We smacked our lips over the delicious meal.

Origin of lip

First recorded before 1000; Middle English lip(pe),Old English lippa; cognate with Dutch lip, German Lippe; akin to Norwegian lepe, Latin labium

Other words from lip

  • lip·less, adjective
  • lip·like, adjective
  • out·lip, verb (used with object), out·lipped, out·lip·ping.
  • un·der·lip, noun

Words Nearby lip

Other definitions for lip- (2 of 2)


  1. variant of lipo-1 before a vowel: lipectomy, libase, lipemia. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use lip in a sentence

British Dictionary definitions for lip (1 of 2)


/ (lɪp) /

  1. anatomy

    • either of the two fleshy folds surrounding the mouth, playing an important role in the production of speech sounds, retaining food in the mouth, etc: Related adjective: labial

    • (as modifier): lip salve

  2. the corresponding part in animals, esp mammals

  1. any structure resembling a lip, such as the rim of a crater, the margin of a gastropod shell, etc

  2. a nontechnical word for labium, labellum (def. 1)

  3. slang impudent talk or backchat

  4. the embouchure and control in the lips needed to blow wind and brass instruments

  5. bite one's lip

    • to stifle one's feelings

    • to be annoyed or irritated

  6. button one's lip or button up one's lip slang to stop talking: often imperative

  7. keep a stiff upper lip to maintain one's courage or composure during a time of trouble without giving way to or revealing one's emotions

  8. lick one's lips or smack one's lips to anticipate or recall something with glee or relish

verblips, lipping or lipped
  1. (tr) to touch with the lip or lips

  2. (tr) to form or be a lip or lips for

  1. (tr) rare to murmur or whisper

  2. (intr) to use the lips in playing a wind instrument

Origin of lip

Old English lippa; related to Old High German leffur, Norwegian lepe, Latin labium

Derived forms of lip

  • lipless, adjective
  • liplike, adjective

British Dictionary definitions for lip- (2 of 2)


combining form
  1. a variant of lipo-

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Idioms and Phrases with lip


In addition to the idioms beginning with lip

  • lips are sealed, one's
  • lip service

also see:

  • button up (one's lip)
  • keep a stiff upper lip
  • lick one's chops (lips)
  • pass one's lips

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.