Lingerie

The correct indefinite article for "lingerie" is (no article needed for the example?) — but if you're asking whether to use "a" or "an":

However, if you're asking about the article before the word in a general sense: Because "lingerie" begins with a consonant sound (/l/), you would say (not "an"). lingerie

It is (uncountable in English, so you don't use "a" or "an" directly before it). If you need an article, use "some lingerie" or "a piece of lingerie" . The correct indefinite article for "lingerie" is (no