Heated to or past the boiling point: a kettle of boiling water. (adjective)
Very angry or upset; seething.(adjective)
Used as an intensive: fainted because it was boiling hot; boiling mad over the mistake. (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 "boiling" in a sentence
"It should not cease boiling one moment from the time it is put in until taken out, and the pot must be tightly covered, and the cover not removed except when necessary to add water from the _boiling_ tea-kettle when the water is getting low."
"If you use any type of hot-water-bath outfit be sure the water is boiling when the fruit is lowered into the canner, and _keep it boiling_ vigorously for the entire sixteen minutes."
"There is a pet store in boiling springs, SC, where I work that had a red belly pacu that looks to be about as big as that fish."