Definition of plain
(Entry 1 of 5)
1
: lacking ornament : undecorated
2
: free of extraneous matter : pure
3
: free of impediments to view : unobstructed
b
: marked by outspoken candor : free from duplicity or subtlety : blunt
plain talk
6
: characterized by simplicity : not complicated
plain home-cooked meals
7
: lacking beauty or ugliness
plain
nounDefinition of plain (Entry 2 of 5)
1a
: an extensive area of level or rolling treeless country
b
: a broad unbroken expanse
2
: something free from artifice, ornament, or extraneous matter
plain
adverb (1)Definition of plain (Entry 3 of 5)
: in a plain manner : without obscurity or ambiguity
saw them clearly and told you plain — Amer. Documentation
plain
adverb (2)Definition of plain (Entry 4 of 5)
: absolutely sense 1a
plain wrong
plain
verb
plained; plaining; plains
Definition of plain (Entry 5 of 5)
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Merriam-Webster unabridged
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Time Traveler for plain
The first known use of plain was in the 14th century
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