Definition of overblow
1 : to dissipate by or as if by wind : blow away
2 : to cover (as with snow) by blowing or being blown
3 : to blow (a pipe or other wind instrument) so vigorously as to evoke undesirable overtones that sometimes completely mask the fundamental tone
4 : to continue to blow in a converter after the impurities have been removed (as carbon from iron or sulfur from copper) completely or below a proper percentage
5a : distend, swell whom stout and high living have much overblow — Donagh MacDonagh b : to puff up to inflated proportions : give a false pathos or bombastic or flamboyant quality to would have been easy to overblow the story — C. W. Morton
1 of the wind, archaic : to blow too hard to allow light sails (as topsails) to be carried
2 : to force wind into a wind musical instrument in such a way as to change its pitch typically producing an overtone instead of its fundamental tone
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Origin and Etymology of overblow
Middle English overblowen, from 1over + blowen to blow
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