I. ˈbla-gərd, -ˌgärd; ˈblak-ˌgärd noun
Date: 1535
1. obsolete : the kitchen servants of a household
2.
a. : a rude or unscrupulous person
b. : a person who uses foul or abusive language
• black·guard·ism -gər-ˌdi-zəm, -ˌgär- noun
• black·guard·ly -gərd-lē, -ˌgärd- adjective or adverb
II. transitive verb
Date: 1769
: to talk about or address in abusive terms