Habitually and carefully neat and clean. See Synonyms at clean.(adjective)
In a clean manner.(adverb)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "cleanly" in a sentence
"Borel emphasizes the importance of having his mount break cleanly from the starting gate — along with 19 other horses — then avoiding the bumping and jostling for position that regularly occurs into the first turn."
"But Lynas does not see it that way: the real-world result of defeating the wind farm is that the electricity that would have been generated cleanly from the wind will now be generated using conventional means - a mixture of coal and gas."
"He made his biggest save while flat on his back with about 8 minutes left, somehow looking up quickly enough to glove Boyle's shot cleanly from a prone position."