• Plain

    Pronunciation

    • enPR: plān, IPA: /pleɪ̯n/
    • Rhymes: -eɪn
    • Homophones: plane

    Origin 1

    From Anglo-Norman pleyn, playn, Middle French plain, plein, from Latin plānus ("flat, even, level, plain").

    Adjective

    File:Bagel.jpg|thumb|a plain

    plain

    1. (now rare, regional) Flat, level. from 14th c.
      • Bible, Isaiah xl. 4The crooked shall be made straight, and the rough places plain.
    2. Simple.
      1. Ordinary; lacking adornment or ornamentation; unembellished. from 14th c.
        He was dressed simply in plain black clothes.
        a plain tune
        • 2013, Henry Petroski, The Evolution of Eyeglasses, The ability of a segment of a glass sphere to magnify whatever is placed before it was known around the year 1000, when the spherical segment was called a reading stone, essentially what today we might term a frameless magnifying glass or plain glass paperweight.
      2. Of just one colour; lacking a pattern.
        a plain pink polycotton skirt
      3. Simple in habits or qualities; unsophisticated, not exceptional, ordinary. from 16th c.
        They're just plain people like you or me.
      4. (of food) Having only few ingredients, or no additional ingredients or seasonings; not elaborate, without toppings or extras. from 17th c.
        Would you like a poppy bagel or a plain bagel?
      5. (computing) Containing no extended or nonprinting characters (especially in plain text). from 20th c.
      6. Obvious.
        1. Evident to one's senses or reason; manifest, clear, unmistakable. from 14th c.
          • 1843, Thomas Carlyle, Past and Present, book 2, ch. XV, Practical — DevotionalIn fact, by excommunication or persuasion, by impetuosity of driving or adroitness in leading, , it is now becoming plain everywhere, is a man that generally remains master at last.
        2. Downright; total, unmistakable (as intensifier). from 14th c.
          His answer was just plain nonsense.
        3. Open.
          1. Honest and without deception; candid, open; blunt. from 14th c.
            Let me be plain with you: I don't like her.
          2. Clear; unencumbered; equal; fair.
            • FeltonOur troops beat an army in plain fight.
        4. Not unusually beautiful; unattractive. from 17th c.
          Throughout high school she worried that she had a rather plain face.

    Related terms

    Full definition of plain

    Adverb

    plain

    1. (colloquial) SimplyIt was just plain stupid.I plain forgot.

    Origin 2

    From Anglo-Norman plainer, pleiner, variant of Anglo-Norman and Old French pleindre, plaindre, from Latin plangere, present active infinitive of plangō.

    Alternative forms

    Noun

    plain

    (plural plains)
    1. (rare, poetic) A lamentation.

    Verb

    1. (ambitransitive, now rare, poetic) To lament, bewail.to plain a loss
      • , More Poems, XXV, lines 5-9Then came I crying, and to-day,With heavier cause to plain,Depart I into death away,Not to be born again.

    Related terms

    Origin 3

    From Old French plain, from Latin plānum ("level ground, a plain"), neuter substantive from plānus ("level, even, flat").

    Noun

    plain

    (plural plains)
    1. An expanse of land with relatively low relief.
      • MiltonHim the Ammonite
        Worshipped in Rabba and her watery plain.
      • 1961, J. A. Philip. Mimesis in the Sophistês of Plato. In: Proceedings and Transactions of the American Philological Association 92. p. 467.For Plato the life of the philosopher is a life of struggle towards the goal of knowledge, towards “searching the heavens and measuring the plains, in all places seeking the nature of everything as a whole”
    2. A battlefield.
      • ShakespeareLead forth my soldiers to the plain.
    3. (obsolete) A plane.

    Related terms

    Verb

    1. (obsolete, transitive) To plane or level; to make plain or even on the surface.
      • WitherWe would rake Europe rather, plain the East.
    2. (obsolete, transitive) To make plain or manifest; to explain.
      • ShakespeareWhat's dumb in show, I'll plain in speech.

    Anagrams

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