Pronunciation: (ō"vur-blō'), [key]
—v., -blew, -blown, -blow•ing.
1. to give excessive importance or value to: to overblow one's own writing.
2. to overinflate.
3. to blow over the surface of, as the wind, sand, or the like: dead leaves overblowing the yard.
4. to blow (a wind instrument or an organ pipe) in such a way as to produce overtones.
to overblow a wind instrument.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.