1. (adverb)obviously, evidently, manifestly, patently, apparently, plainly, plain unmistakably (`plain' is often used informally for `plainly') Synonyms: plain, ostensibly, manifestly, plainly, patently, simply, seemingly, on the face of it, evidently, apparently, obviously
2. (adverb)plainly, simply in a simple manner; without extravagance or embellishment Synonyms: just, plain, but, manifestly, simply, patently, plainly, evidently, apparently, obviously, only, merely
Synonyms and Antonyms of plainly 
