in a clear manner: It is difficult to explain complex matters clearly.
2.
without equivocation; decidedly: It is clearly out of the question to drop the case.
Origin: 1250–1300; Middle English clerli.See clear, -ly
Synonyms 1. plainly, understandably. Clearly,definitely,distinctly,evidently imply the way in which something is plainly understood or understandable. Clearly suggests without doubt or obscurity: expressed clearly. Definitely means explicitly; with precision: definitely phrased. Distinctly means without blurring or confusion: distinctly enunciated. Evidently means patently, unquestionably: evidently an error.
c.1300, of vision and speech, from clear. Meaning "evidently" is from 1568; as a parenthetical expression in argument, "it is clear," recorded from 1867.