Collins COBUILD Advanced Learner's English Dictionary - plainly

1. You use plainly to indicate that you believe something is obviously true, often when you are trying to convince someone else that it is true. The judge’s conclusion was plainly wrong... Plainly, a more objective method of description must be adopted... ADV: ADV with cl, not last in cl c darkgreen]emphasis 2. You use plainly to indicate that something is easily seen, noticed, or recognized. He was plainly annoyed... I could plainly see him turning his head to the right and left... = clearly ADV: ADV with v, ADV adj see also plain