low-down

/ informal /

adjective

mean, underhand, or despicable

noun lowdown

information, esp secret or true information
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

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Word Origin and History for low-down

low-down


adj.

also low down, lowdown, "vulgar," 1888, from low (adj.) + down (adv.). Earlier it meant "humble" (1540s). As a noun, 1915, from the adjective, American English.

Online Etymology Dictionary, © 2010 Douglas Harper