Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary


verb \ˈslīd\

Simple Definition of slide

  • : to move smoothly along a surface

  • : to move over ice or snow smoothly and often in a way that cannot be controlled

  • : to slip and fall

Full Definition of slide

slid play \ˈslid\ slid·ing play \ˈslī-diŋ\

  1. intransitive verb
  2. 1a :  to move smoothly along a surface :  slipb :  to coast over snow or icec of a base runner in baseball :  to fall or dive feetfirst or headfirst when approaching a base

  3. 2a :  to slip or fall by loss of footingb :  to change position or become dislocated :  shift

  4. 3a :  to slither along the ground :  crawlb :  to stream along :  flow

  5. 4a :  to move or pass smoothly or easily <slid into the prepared speech>b :  to pass unnoticed or unremarked <let the criticism slide>

  6. 5a :  to pass unobtrusively :  stealb :  to pass by gradations especially downward <the economy slid from recession to depression>

  7. transitive verb
  8. 1a :  to cause to glide or slipb :  to traverse in a sliding manner

  9. 2 :  to put unobtrusively or stealthily <slid the bill into his hand>

Examples of slide

  1. The door slides open easily.

  2. The firefighters slid down the pole to their trucks.

  3. He slid the bottle across the table.

  4. Slide your finger along the seam.

  5. She slid the paper under the door.

  6. He slid across the ice.

  7. Cars were slipping and sliding all over the roads during the snowstorm.

  8. Her purse slid out of her hands.

  9. The strap of her dress kept sliding down.

  10. She slid into the booth beside us.

Origin of slide

Middle English, from Old English slīdan; akin to Middle High German slīten to slide

First Known Use: before 12th century




Simple Definition of slide

  • : a movement to a lower or worse state or condition

  • : an act of moving along or over a surface by sliding

  • : a structure with a slippery surface that children slide down

Full Definition of slide

  1. 1a :  an act or instance of slidingb (1) :  a musical grace of two or more small notes (2) :  portamento

  2. 2 :  a sliding part or mechanism: asa (1) :  a U-shaped section of tube in the trombone that is pushed out and in to produce the tones between the fundamental and its harmonics (2) :  a short U-shaped section of tube in a brass instrument that is used to adjust the pitch of the instrument or of individual valvesb (1) :  a moving piece (as the ram of a punch press) that is guided by a part along which it slides (2) :  a guiding surface (as a feeding mechanism) along which something slidesc :  sliding seat

  3. 3a :  the descent of a mass of earth, rock, or snow down a hill or mountainsideb :  a dislocation in which one rock mass in a mining lode has slid on another :  fault

  4. 4a (1) :  a slippery surface for coasting (2) :  a chute with a slippery bed down which children slide in playb :  a channel or track on which something is slidc :  a sloping trough down which objects are carried by gravity <a log slide>

  5. 5a :  a flat piece of glass or plastic on which an object is mounted for microscopic examinationb :  a photographic transparency on a small plate or film mounted for projection

  6. 6 :  bottleneck 3


First Known Use of slide


Medical Dictionary


noun \ˈslīd\

Medical Definition of slide

  1. :  a flat piece of glass or plastic on which an object is mounted for microscopic examination

Seen and Heard

What made you want to look up slide? Please tell us where you read or heard it (including the quote, if possible).


February 14, 2016

to hug and kiss another person

Get Word of the Day daily email!


Take a 3-minute break and test your skills!


How much does a batman (the Turkish unit of measurement) weigh?

196.5 pounds 100 pounds 16.96 pounds 2.2 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.


Test Your Knowledge - and learn some interesting things along the way.