PLAIN
adjective
Synonyms
Level; flat; smooth; open; artless; unaffected; undisguised; frank; sincere; honest; candid; ingenuous; unembellished; downright; blunt; clear; simple; distinct; manifest; obvious; apparent. See Manifest.
Definitions
- 1. Without elevations or depressions; flat; level; smooth; even. See Plane. The crooked shall be made straight, and the rough places plain. Isa. xl. 4.
- 2. Open; clear; unencumbered; equal; fair. Our troops beat an army in plain fight. Felton.
- 3. Not intricate or difficult; evident; manifest; obvious; clear; unmistakable. "'T is a plain case." Shak.
- 4. Void of extraneous beauty or ornament; without conspicious embellishment; not rich; simple.
- 5. Not highly cultivated; unsophisticated; free from show or pretension; simple; natural; homely; common. "Plain yet pious Christians." Hammond. "The plain people." A. Lincoln.
- 6. Free from affectation or disguise; candid; sincere; artless; honest; frank. "An honest mind, and plain." Shak.
- 7. Not luxurious; not highly seasoned; simple; as, plain food.
- 8. Without beauty; not handsome; homely; as, a plain woman.
- 9. Not variegated, dyed, or figured; as, plain muslin.
- 10. Not much varied by modulations; as, a plain tune. Plain battle, open battle; pitched battle. [Obs.] Chaucer. -- Plain chant (Mus.) Same as Plain song, below. -- Plain chart (Naut.), a chart laid down on Mercator's projection. -- Plain dealer. (a) One who practices plain dealing. (b) A simpleton. [Obs.] Shak. -- Plain dealing. See under Dealing. -- Plain molding (Join.), molding of which the surfaces are plain figures. -- Plain sewing, sewing of seams by simple and common stitches, in distinct from fancy work, embroidery, etc.; -- distinguished also from designing and fitting garments. -- Plain song. (a) The Gregorian chant, or canto fermo; the prescribed melody of the Roman Catholic service, sung in unison, in tones of equal length, and rarely extending beyond the compass of an octave. (b) A simple melody. -- Plain speaking, plainness or bluntness of speech.
Other Definitions
This word also has 3 other definitions:
PLAIN
(adverb)
In a plain manner; plainly. "To speak short and pleyn." Chaucer. "To tell you plain." Shak.
PLAIN
(noun)
1. Level land; usually, an open field or a broad stretch of land with an even surface, or a surface little varied by inequalities; as, the plain of Jo...
PLAIN
(verb)
To lament; to bewail; to complain. [Archaic & Poetic] Milton. We with piteous heart unto you pleyne. Chaucer.
Added: October 09, 2025
Updated: October 09, 2025