plain
1 [pleyn]
adjective, -er, -est, adverb, noun | 1. | clear or distinct to the eye or ear: a plain trail to the river; to stand in plain view. |
| 2. | clear to the mind; evident, manifest, or obvious: to make one's meaning plain. |
| 3. | conveying the meaning clearly and simply; easily understood: plain talk. |
| 4. | downright; sheer; utter; self-evident: plain folly; plain stupidity. |
| 5. | free from ambiguity or evasion; candid; outspoken: the plain truth of the matter. |
| 6. | without special pretensions, superiority, elegance, etc.; ordinary: plain people. |
| 7. | not beautiful; physically unattractive or undistinguished: a plain face. |
| 8. | without intricacies or difficulties. |
| 9. | ordinary, simple, or unostentatious: Although she was a duchess, her manners were attractively plain. |
| 10. | with little or no embellishment, decoration, or enhancing elaboration: a plain blue suit. |
| 11. | without a pattern, figure, or device: a plain fabric. |
| 12. | not rich, highly seasoned, or elaborately prepared, as food: a plain diet. |
| 13. | flat or level: plain country. |
| 14. | unobstructed, clear, or open, as ground, a space, etc. |
| 15. | Cards. being other than a face card or a trump. |
| 16. | clearly and simply: He's just plain stupid. |
| 17. | an area of land not significantly higher than adjacent areas and with relatively minor differences in elevation, commonly less than 500 ft. (150 m), within the area. |
| 18. | The Plains. Great Plains. |
1250–1300; ME (adj., adv., and n.) < OF (adj. and n.) < L plānus flat, level, plānum flat country

Related forms:
1, 2. lucid, understandable, intelligible, unmistakable, apparent, perspicuous. 2, 3. unambiguous, unequivocal, patent, transparent; direct. 5. unreserved, straightforward, blunt, frank, ingenuous, open, sincere. 6. unpretentious. 10. unadorned. See homely.
1. indistinct. 2. obscure. 13. hilly.
Based on the Random House Dictionary, © Random House, Inc. 2009.
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plain (plān) adj. plain·er, plain·est
Clearly; simply: plain stubborn. [Middle English, from Old French, from Latin plānus; see pelə-2 in Indo-European roots.] plain'ly adv., plain'ness n. Synonyms: These adjectives mean not ornate, ostentatious, or showy: a plain hairstyle; a modest cottage; a simple dark suit; an unostentatious office; an unpretentious country church. |
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Plain
Plain\, v. i. [OE. playne, pleyne, fr. F. plaindre. See Plaint.] To lament; to bewail; to complain. [Archaic & Poetic] --Milton. We with piteous heart unto you pleyne. --Chaucer.Plain
Plain\, v. t. To lament; to mourn over; as, to plain a loss. [Archaic & Poetic] --Sir J. Harrington.Plain
Plain\, a. [Compar. Plainer; superl. Plainest.] [F., level, flat, fr. L. planus, perhaps akin to E. floor. Cf. Llano, Piano, Plan, Plane level, a level surface.]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. (a) Void of extraneous beauty or ornament; without conspicious embellishment; not rich; simple. (b) Not highly cultivated; unsophisticated; free from show or pretension; simple; natural; homely; common. "Plain yet pious Christians." --Hammond. "The plain people." --A. Lincoln. (c) Free from affectation or disguise; candid; sincere; artless; honest; frank. "An honest mind, and plain." --Shak. (d) Not luxurious; not highly seasoned; simple; as, plain food. (e) Without beauty; not handsome; homely; as, a plain woman. (f) Not variegated, dyed, or figured; as, plain muslin. (g) 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. Syn: Level; flat; smooth; open; artless; unaffected; undisguised; frank; sincere; honest; candid; ingenuous; unembellished; downright; blunt; clear; simple; distinct; manifest; obvious; apparent. See Manifest.Plain
Plain\, adv. In a plain manner; plainly. "To speak short and pleyn." --Chaucer. "To tell you plain." --Shak.Plain
Plain\, n. [Cf. OF. plaigne, F. plaine. See Plain, a.]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 Jordan; the American plains, or prairies. Descending fro the mountain into playn. --Chaucer. Him the Ammonite Worshiped in Rabba and her watery plain. --Milton. 2. A field of battle. [Obs.] --Arbuthnot. Lead forth my soldiers to the plain. --Shak.Cite This Source
plain (adj.)
plain (n.)
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plain (plān) Pronunciation Key
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PLAIN
Programming LAnguage for INteraction. Pascal-like, with extensions for database, string handling, exceptions and pattern matching. "Revised Report on the Programming Language PLAIN", A. Wasserman, SIGPLAN Notices 6(5):59-80 (May 1981).
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Plain
(1.) Heb. 'abel (Judg. 11:33), a "grassy plain" or "meadow." Instead of "plains of the vineyards," as in the Authorized Version, the Revised Version has "Abel-cheramim" (q.v.), comp. Judg. 11:22; 2 Chr. 16:4. (2.) Heb. 'elon (Gen. 12:6; 13:18; 14:13; 18:1; Deut. 11:30; Judg. 9:6), more correctly "oak," as in the Revised Version; margin, "terebinth." (3.) Heb. bik'ah (Gen. 11:2; Neh. 6:2; Ezek. 3:23; Dan. 3:1), properly a valley, as rendered in Isa. 40:4, a broad plain between mountains. In Amos 1:5 the margin of Authorized Version has "Bikathaven." (4.) Heb. kikar, "the circle," used only of the Ghor, or the low ground along the Jordan (Gen. 13:10-12; 19:17, 25, 28, 29; Deut. 34:3; 2 Sam. 18:23; 1 Kings 7:46; 2 Chr. 4:17; Neh. 3:22; 12:28), the floor of the valley through which it flows. This name is applied to the Jordan valley as far north as Succoth. (5.) Heb. mishor, "level ground," smooth, grassy table-land (Deut. 3:10; 4:43; Josh. 13:9, 16, 17, 21; 20:8; Jer. 48:21), an expanse of rolling downs without rock or stone. In these passages, with the article prefixed, it denotes the plain in the tribe of Reuben. In 2 Chr. 26:10 the plain of Judah is meant. Jerusalem is called "the rock of the plain" in Jer. 21:13, because the hills on which it is built rise high above the plain. (6.) Heb. 'arabah, the valley from the Sea of Galilee southward to the Dead Sea (the "sea of the plain," 2 Kings 14:25; Deut. 1:1; 2:8), a distance of about 70 miles. It is called by the modern Arabs the Ghor. This Hebrew name is found in Authorized Version (Josh. 18:18), and is uniformly used in the Revised Version. Down through the centre of this plain is a ravine, from 200 to 300 yards wide, and from 50 to 100 feet deep, through which the Jordan flows in a winding course. This ravine is called the "lower plain." The name Arabah is also applied to the whole Jordan valley from Mount Hermon to the eastern branch of the Red Sea, a distance of about 200 miles, as well as to that portion of the valley which stretches from the Sea of Galilee to the same branch of the Red Sea, i.e., to the Gulf of Akabah about 100 miles in all. (7.) Heb. shephelah, "low ground," "low hill-land," rendered "vale" or "valley" in Authorized Version (Josh. 9:1; 10:40; 11:2; 12:8; Judg. 1:9; 1 Kings 10:27). In Authorized Version (1 Chr. 27:28; 2 Chr. 26:10) it is also rendered "low country." In Jer. 17:26, Obad. 1:19, Zech. 7:7, "plain." The Revised Version renders it uniformly "low land." When it is preceded by the article, as in Deut. 1:7, Josh. 11:16; 15:33, Jer. 32:44; 33:13, Zech. 7:7, "the shephelah," it denotes the plain along the Mediterranean from Joppa to Gaza, "the plain of the Philistines." (See VALLEY.)
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plain
In addition to the idioms beginning with plain, also see in plain English.
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