Open English Wordnet
Nouns
(n)knit, knit stitch, plain, plain stitcha basic knitting stitch made by putting the needle through the front of the stitch from the lefthand side
Verbs
Adjectives
(s)apparent, evident, manifest, palpable, patent, plain, unmistakableclearly revealed to the mind or the senses or judgment“the effects of the drought are apparent to anyone who sees the parched fields”, “evident hostility”, “manifest disapproval”, “patent advantages”, “made his meaning plain”, “it is plain that he is no reactionary”, “in plain view”, “a palpable lie”
(s)plain, unvarnishedfree from any effort to soften to disguise“the plain and unvarnished truth”, “the unvarnished candor of old people and children”
(s)plain, bare, spare, unembellished, unornamentedlacking embellishment or ornamentation“a plain hair style”, “unembellished white walls”, “functional architecture featuring stark unornamented concrete”
Adverbs
(r)obviously, evidently, manifestly, patently, apparently, plainly, plainunmistakably (‘plain’ is often used informally for ‘plainly’)“the answer is obviously wrong”, “she was in bed and evidently in great pain”, “he was manifestly too important to leave off the guest list”, “it is all patently nonsense”, “she has apparently been living here for some time”, “I thought he owned the property, but apparently not”, “You are plainly wrong”, “he is plain stubborn”