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ENGLISH · A WORD WITH POSSIBILITIES

diaper.

An absorbent garment worn around the crotch that retains the wearer's urine and feces, often worn by a baby or young child who is not yet toilet trained, by an adult who is incontinent (who wets the bed), or under extreme working conditions without access to a toilet; a nappy.

6 characters2 syllables approx.English language

Meaning & usage

noun/ˈdaɪ(ə).pə/Received-Pronunciation/ˈdaɪ(ə).pəɹ/General-American
  1. An absorbent garment worn around the crotch that retains the wearer's urine and feces, often worn by a baby or young child who is not yet toilet trained, by an adult who is incontinent (who wets the bed), or under extreme working conditions without access to a toilet; a nappy.

    Canada · India · Philippines · US · countable · uncountable
    cloth diaper, disposable diaper, nighttime diaper, swim diaper
  2. A container that absorbs and collects (retains) liquid or waste material, similar to a diaper (noun sense 1).

    Canada · US · colloquial · countable · humorous · sometimes · uncountable
    engine diaper, meat diaper, period diaper, rubber diaper
  3. A piece of clothing that resembles the shape of a diaper (noun sense 1) but lacks the absorbency.

    Canada · US · colloquial · countable · derogatory · humorous · possibly · uncountable
  4. A textile fabric having a repeating pattern, especially of diamonds or flowers, formed by alternating directions of thread.

    countable · historical · uncountable
  5. A repeating geometrical or (often stylized) floral pattern, usually of small diamonds evenly spaced, that decorates a flat surface, sometimes in bas-relief; diaperwork.

    countable · uncountable
  6. A repeating geometrical or floral pattern, used to cover the surface of a shield and forming the ground for any charges.

    countable · historical · uncountable
  7. A towel, napkin, or tablecloth made from the diaper fabric (noun sense 4).

    countable · obsolete · uncountable
Where this word comes from

Etymology tree Proto-Indo-European *dwóh₁ ▲ Proto-Indo-European *trísinflu. Proto-Indo-European *dwísder. Ancient Greek διά (diá) Ancient Greek δια- (dia-) Proto-Indo-European *h₂esp-der.? Latin asperbor. Ancient Greek ἄσπρος (áspros) Byzantine Greek δίασπρος (díaspros)bor. Medieval Latin diasprabor. Old French dyaprebor. Middle English dyaper English diaper From Middle English dyaper, diapre, dyapre, from Old French diapre, dyapre, a variant of dyaspre, diaspre (“ornamental silk cloth embellished with decorative patterns”), from Medieval Latin diaspra, diasprum (“a type of rich, valuable silken cloth”), probably from Byzantine Greek δίασπρος (díaspros, “very white; pure white”, adjective), from δια- (dia-, “across”) + ἄσπρος (áspros, “white”).

verb/ˈdaɪ(ə).pə/Received-Pronunciation/ˈdaɪ(ə).pəɹ/General-American
  1. To put diapers on someone.

    transitive
    Diapering a baby is something you have to learn fast.
  2. To draw geometrical or floral patterns, as upon cloth.

    transitive
Where this word comes from

Etymology tree Proto-Indo-European *dwóh₁ ▲ Proto-Indo-European *trísinflu. Proto-Indo-European *dwísder. Ancient Greek διά (diá) Ancient Greek δια- (dia-) Proto-Indo-European *h₂esp-der.? Latin asperbor. Ancient Greek ἄσπρος (áspros) Byzantine Greek δίασπρος (díaspros)bor. Medieval Latin diasprabor. Old French dyaprebor. Middle English dyaper English diaper From Middle English dyaper, diapre, dyapre, from Old French diapre, dyapre, a variant of dyaspre, diaspre (“ornamental silk cloth embellished with decorative patterns”), from Medieval Latin diaspra, diasprum (“a type of rich, valuable silken cloth”), probably from Byzantine Greek δίασπρος (díaspros, “very white; pure white”, adjective), from δια- (dia-, “across”) + ἄσπρος (áspros, “white”).

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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.

Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.