English Reference
noun

underwear

n.
US /ˈəndɝˌwɛɹ/ UK /ˌʌndəwˈeə/ un·der·wear UK spelling underwears

  1. 01 A2 Elementary

    clothes like underpants or bras that you wear under your main clothes.

    garments worn next to the skin and beneath outer clothing for hygiene, comfort, or support. Uncountable in all standard contexts.

    Simple

    She packed enough clean underwear for the entire week-long trip.

    In context

    The athlete chose moisture-wicking underwear to prevent chafing during the marathon, as standard cotton garments proved unsuitable for high-intensity endurance sports.

    Usage

    This is an uncountable noun; use 'some underwear' or 'a pair of underpants' instead of 'an underwear'.

    Pitfall
    I need to buy some new underwears. I need to buy some new underwear.

    Underwear is an uncountable noun and does not have a plural form with 's'.

    underclothesundergarmentslingerie
    outerwear

From under- + -wear. Compare Dutch ondergoed, German Unterwäsche, Swedish underkläder.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Level B1 · Intermediate
Frequency Frequent
Updated