Reverse Dictionary: PLAIN

ADJECTIVES
► AEFAULD free from duplicity; sincere, honest, faithful; plain, straightforward → a1000
► COLD plain, clear; certain → 1915 Amer. dial.
► DILUCIDATE made clear, plain, or lucid → 1651 obs.
► DOWN FLAT direct, plain; downright → a1663 obs.
► EVEN-DOWN direct, plain, without reserve or qualification → 1838 Sc. & Eng. dial.
► FAMILIAR homely, plain; hence, easily understood → 1529 obs.
► FLAT-DOWN plain, straightforward → 1940 Amer. dial.
► HOMELY AS A BASKET OF CHIPS, AS plain → 1827 Amer. dial.
► LEVEL plain, point-blank → 1820
► MEESE plain → 2003 UK homosexual sl.
► NAKED free from concealment or reserve; plain, straightforward; outspoken, free → a1225
► OFF-HAND plain, honest, blunt; free-spoken → 1905 Sc. (Bk.)
► ORDINARY physically plain; commonplace; unattractive → M19
► ORNERY ordinary, commonplace, plain → 1838 Amer. dial.
► PALPABLE easily perceived; open to recognition; plain, evident, apparent, obvious, manifest → 1545
► PLAIN AS A PACKSTAFF, AS a plain as a pikestaff, quite obvious and unmistakable → 1542 obs.
► PLAIN AS PARRITCH of persons: homely, unattractive in appearance; very plain (parritch = porridge) → 1899 Sc.
► PLAIN AS THE LETTER S perfectly plain → 1873 Eng. dial.
► PLAIN AS THE NOSE ON ONE’S FACE perfectly plain or obvious → 1655
► PLAIN-HEADED plain-looking → 1880 society usage
► PLAIN VANILLA plain, simple, no frills, esp. used of sexual activity → 1970s sl.
► PLANILOQUENT plain-speaking; speaking without reserve → 1656 obs.
► SINGLE simple, plain; without further qualification or addition → c1421 obs.
► THIEF-LIKE plain, ugly; hard-looking → 1905 Sc. (Bk.)
► UNARTED unartificial; plain → 1628 obs.
► UNBRAW plain, unattractive → 1973 Sc.
► UNCOLOURED plain, simple → 1845
► UNSONSY ill-looking, plain → 1894 Sc.
► VANILLA plain, simple, no frills, esp. used of sexual activity → 1970s sl.

ADVERBS
► AEFAULDLY in a simple manner; plainly, straightforwardly → a1000 obs.
► FAIR plainly, easily, clearly, distinctly; frankly, downright → 1393 obs. exc. Eng. dial.
► FAIR AND CLEAR plainly, clearly → 1860 Eng. dial.
► FLAT-OUT plainly, directly → 1934 Amer. dial.
► IN SHORT AND PLAIN briefly and plainly → c1386 obs.
► NATIVELY naturally, without disguise, plainly, straightforwardly → a1564 obs.
► STRAIGHT UP frankly, plainly, completely → 1980 colloq.
► UNCURIOUSLY in a plain or unelaborate manner → 1490 obs.
► YARE well, thoroughly; certainly, plainly, without doubt → a900 obs.

NOUNS
► DILUCIDITY lucidness; clearness; plainness → 1603 obs.

NOUNS – PERSON
► CAGMAG a plain or slovenly woman → L18 sl.
► INDIA a plain man, with homely, pleasant features → 1950s homosexual sl. 
► RALPH an effeminate, timid, or plain and undistinguished man → 1950s homosexual sl.

VERBS
► DECLARE to make clear or plain anything that is obscure or imperfectly understood; to clear up, to explain, to elucidate, to interpret → c1325 obs.
► DILUCIDATE to make clear, plain, or evident; to free from obscurity; to elucidate, to explain → 1538 obs.
► NOT TO PUT A FEATHEREDGE ON IT to speak plainly → 1903 Amer. dial.
► SMOOTHEN to make easy or plain; to free from difficulty, obstruction, etc.; to lighten or lessen a difficulty → 1661
► TALK COLD TURKEY to talk plainly and frankly and without reserve; to talk hard facts, to get down to business → 1928
► TALK TURKEY to talk plainly and frankly and without reserve; to talk hard facts, to get down to business → 1824