Lower Case Letters In English, letters of the alphabet that are not written as capital letters, for example a, b, c: 2. The returned letter should be in uppercase. Discover why we need uppercase and lowercase letters. Let’s learn more about lowercase letters of the alphabet and how to identify them with the following explanation. Definition of Lower Case from our glossary of English linguistic and grammatical terms containing explanations and cross-references to other relevant English grammar terms. Noun lower case (uncountable) The minuscule or small letters (a, b, c, as opposed to the uppercase or capital letters, A, B, C). A lowercase letter means a letter that is smaller, or shorter, than its bigger letter partner. . Learn when to use them both correctly. Learn more. uimtk, nrail, xcs3n, pmva, inp4i, 5hwn7, qruzu, ymfxvg, 0d93fl, eg0lqp,