triplicate

American  

[trip-li-kit, -keyt, trip-li-keyt] / ˈtrɪp lɪ kɪt, -ˌkeɪt, ˈtrɪp lɪˌkeɪt /

noun

1. one of three identical items, especially copies of typewritten material.

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verb (used with object)

triplicated, triplicating

1. to make threefold; triple.

2. to make in triplicate.

   to triplicate a report before releasing it.

adjective

1. produced in or consisting of three copies or parts; threefold; triple.

   triplicate contracts.

idioms

1. in triplicate,

   1. in three identical copies.

      This letter should be done in triplicate.

   2. threefold.

      That goes for me, too, in triplicate.

triplicate British  

adjective

1. triple

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verb

1. to multiply or be multiplied by three

noun

1. 1. a group of three things

   2. one of such a group

2. written out three times

Other Word Forms

• subtriplicate adjective
• subtriplicated adjective
• subtriplication noun
• triplication noun

Etymology

Origin of triplicate

1400–50; late Middle English (adj.) < Latin triplicātus (past participle of triplicāre to triple), equivalent to triplic- (stem of triplex ) triplex + -ātus -ate ¹

Example Sentences

Death by a thousand forms filed in triplicate.

From MarketWatch • Dec. 30, 2025

Opposing the Saja Boys is the movie’s equivalent of Buffy the Vampire Slayer, but in triplicate.

From Salon • Jun. 29, 2025

The numbers are protracted by Stroman’s strenuously energetic choreography, which seems to give every dance sequence the hard sell in triplicate.

From Los Angeles Times • Apr. 26, 2023

Perform the experiment in at least triplicate for each fruit.

From Textbooks • Jun. 9, 2022

And so Horace was filling in the blanks on two certificates of death, and doing so in triplicate, when the phone beside him rang.

From "Snow Falling on Cedars: A Novel" by David Guterson

Related Words

• threesome
• trilogy
• triumvirate