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undercover

adjectivenounverbcommon in dialogue

  • //ˌʌndə(ɹ)ˈkʌvə(ɹ)//

Performed or happening in secret.

adjective

  1. 1

    Performed or happening in secret.

  2. 2

    Employed or engaged in spying or secret investigation.

Etymology

From under + cover.

noun

  1. 1

    A person who works undercover.

    Then there's the heterosexual, open-mined ^([sic]) entourage who loves us dearly and are our best friends. They laugh at our humor and understand our sorrow. For they are rare and unique in prison. But the vipers always ruin things. They refer to our straight friends as "Closet-Cases," "Undercovers," and "Flip-Floppers."

verb

  1. 1

    To provide too little coverage.

    The estimates of bias reported here depend on the assumption that 6- to 14-year-olds were undercovered at the same rate as children 0 to 14 years old and that 16- to 17-year-olds were undercovered at the same rate as 16- to 19-year-olds.

    To oversimplify, if black males age 20 to 29 are undercovered by 50 percent, then the first stage sampling weights for black males age 20 to 29 are doubled to properly sum to known population totals.

Forms

plural
undercovers
comparative
more undercover
superlative
most undercover
past tense
undercovered
past participle
undercovered
present participle
undercovering
third person singular
undercovers
The neighbouring pagesAlphabetical order follows the rules of the language, not byte values: an accent decides only between two otherwise identical words, and Spanish files Ñ as a letter of its own.

Lexical content from Wiktionary, under CC BY-SA 4.0 · Source entry · Data version 2026-08-23

Rank among the words of the OpenSubtitles 2018 corpus — film and television subtitles, so spoken rather than written usage (CC BY-SA 3.0).