slate

¹ American  

[sleyt] / sleɪt /

noun

1. a fine-grained rock formed by the metamorphosis of clay, shale, etc., that tends to split along parallel cleavage planes, usually at an angle to the planes of stratification.

2. a thin, flat piece or plate of fine-grained, easily split rock or a similar material, used especially for roofing or as a writing surface.

3. slate gray.

4. a list of candidates, officers, etc., to be considered for nomination, appointment, election, or the like.

   He has added his name to the slate of mayoral candidates.

5. tablet.

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verb (used with object)

slated, slating

1. to cover with plates of fine-grained, easily split rock or a similar material.

   Our team has years of experience with slating and tiling roofs.

2. to write or set down for nomination or appointment.

   There are 39 lawyers hoping to be slated for judge.

3. to plan or designate (something) for a particular place and time; schedule.

   The premiere was slated for January.

4. Chiefly British. to censure, scold, or criticize harshly.

   She was slated by the press for making exaggerated claims in her memoir.

5. to punish severely.

idioms

1. clean slate, a record containing no negative reports, notes about bad behavior, reprimands, failures, etc..

   After a talk with the boss about his misconduct, he was allowed to start over with a clean slate.

slate ² American  

[sleyt] / sleɪt /

verb (used with object)

British Dialect.

slated, slating

1. to sic or set a dog on (a person or animal).

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slate ¹ British  

/ sleɪt /

noun

1. 1. a compact fine-grained metamorphic rock formed by the effects of heat and pressure on shale. It can be split into thin layers along natural cleavage planes and is used as a roofing and paving material

   2. ( as modifier )

      a slate tile

2. a roofing tile of slate

3. (formerly) a writing tablet of slate

4. a dark grey colour, often with a purplish or bluish tinge

5. a list of candidates in an election

6. films

   1. the reference information written on a clapperboard

   2. informal the clapperboard itself

7. a record without dishonour

8. informal to be eccentric or crazy

9. informal on credit

10. informal to make a fresh start, esp by forgetting past differences

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verb

1. to cover (a roof) with slates

2. to enter (a person's name) on a list, esp on a political slate

3. 1. to choose or destine

      he was slated to go far

   2. to plan or schedule

      the trial is slated to begin in three weeks

adjective

1. of the colour slate

slate ² British  

/ sleɪt /

verb

1. to criticize harshly; censure

2. to punish or defeat severely

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slate Scientific  

/ slāt /

1. A fine-grained metamorphic rock that forms when shale undergoes metamorphosis. Slate splits into thin layers with smooth surfaces. It ranges in color from gray to black or from red to green, depending on the minerals contained in the shale from which it formed.

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slate More Idioms  

More idioms and phrases containing slate

• clean slate

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Etymology

Origin of slate¹

First recorded in 1300–50; Middle English sclate, from Middle French esclate, feminine of esclat “piece split off”; slat ¹

Origin of slate²

First recorded in 1350–1400; Middle English slaiten, from Old Norse sleita (unrecorded)

Explanation

Slate is a type of gray metamorphic rock that is made up of quartz and other minerals. The rock can be split into thin layers and the slate used for things like roofing tiles. In the past when paper was expensive, schoolchildren used slates to do their school work. These were usually made of actual slate rock. Students could practice their writing on the slate with a slate pencil. When they were done, the slate could be erased, which gave rise to the term "clean slate." If you've done things in the past you aren't proud of, you may hope to start over with a clean slate.

Example Sentences

Panella got wind of “The End of Oak Street” from a post highlighting Hathaway’s slate of upcoming films, only to be caught by surprise.

From Salon • Apr. 12, 2026

His plans for the company remain the same, including growing its film slate and expanding to Africa, Asia and Eastern Europe.

From The Wall Street Journal • Apr. 10, 2026

The court is not writing on a blank slate.

From Slate • Apr. 10, 2026

At an earlier slate reveal event last month, the platform’s executives emphasized the importance the company is placing on original storytelling.

From Los Angeles Times • Apr. 8, 2026

The sky was slate gray, blending to white at the horizon.

From "Two Degrees" by Alan Gratz

Related Words

• ballot
• roster