blue-on-blue

adjective

military of or relating to friendly fireblue-on-blue contacts

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salute
to call out to in order to stop, attract attention, ask aid, etc.
to wield power; exercise rule.
to express respect or praise for; honor; commend.
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Word Origin for blue-on-blue

C20: from the colour used to mark a country's own troops and allies on a military map

Words nearby blue-on-blue

blue-green alga, blue-green algae, blue-headed vireo, blue-jeaned, blue-leg, blue-on-blue, blue-pencil, blue-red, blue-ribbon, blue-ribbon jury, blue-ringed octopus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012