- plain
-
I. intransitive verb
Etymology: Middle English, from Anglo-French pleindre, plaindre, from Latin plangere to lament — more at plaint
Date: 14th century
archaic complain
II. noun
Etymology: Middle English, from Anglo-French, from Latin planum, from neuter of planus flat, plain — more at floor
Date: 14th century
1.
a. an extensive area of level or rolling treeless country
b. a broad unbroken expanse
2. something free from artifice, ornament, or extraneous matter
III. adjective
Date: 14th century
1. archaic even, level
2. lacking ornament ; undecorated
3. free of extraneous matter ; pure
4. free of impediments to view ; unobstructed
5.
a.
(1) evident to the mind or senses ; obvious <it's perfectly plain that they will resist> (2) clear <let me make my meaning plain> b. marked by outspoken candor ; free from duplicity or subtlety ; blunt <plain talk> 6. a. belonging to the masses ; common b. lacking special distinction or affectation ; ordinary 7. characterized by simplicity ; not complicated <plain home-cooked meals> 8. lacking beauty or ugliness Synonyms: see common, evident, frank • plainly adverb • plainness noun IV. adverb Date: 14th century in a plain manner ; without obscurity or ambiguity <saw them clearly and told you plain — American Documentation> V. adverb Etymology: partly from Middle English plein entire, complete, from Anglo-French, full, from Latin plenus; partly from 4plain — more at full Date: 1535 absolutely 1 <it plain galled me to pay fancy prices — F. R. Buckley>
New Collegiate Dictionary. 2001.