Definition of "stilly" [still•y•stil•ly]

• Quiet; calm. (adjective)

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.

• "For suddenly he became conscious that it was there, behind the trees somewhere lurking, a curious kind of stilly glimmer creeping about the air, along the ground, in and out of the tree-stems."
• "Nowhere does the night seem more "stilly," or the sense of seclusion more profound, than in the middle of the broad bay on a midsummer night before or after the theatre-goers have crossed."
• "There is no night in the "stilly" sense at a mine."