UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈhaʊdi/US:USA pronunciation: respellingUSA pronunciation: respelling(houdē)

Inflections of 'howdy' (nnoun: Refers to person, place, thing, quality, etc.): nplplural noun: Noun always used in plural form--for example, "jeans," "scissors.": howdies

WordReference Random House Unabridged Dictionary of American English © 2020
how•dy1  (houdē),USA pronunciation n., pl.  -dies, interj. [Informal.]
  1. Informal Termshello;
    how do you do (used as an expression of greeting).
  • from the phrase how do ye? 1820–30

how•dy2  (houdē),USA pronunciation n., pl.  -dies. [Scot. and North Eng. Slang.]
  1. Scottish Termshowdie.

Collins Concise English Dictionary © HarperCollins Publishers::
howdy /ˈhaʊdɪ/ sentence substitute
  1. chiefly US
    an informal word for hello
Etymology: 16th Century: from the phrase how d'ye do
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