5. (v.t.)blackguard to speak to or of in scurrilous language; revile.
Etymology: (1525–35; black+guard)
Definition of 'blackguard'
Princeton's WordNet
1. (verb)cad, bounder, blackguard, dog, hound, heel someone who is morally reprehensible "you dirty dog"
2. (verb)ridicule, roast, guy, blackguard, laugh at, jest at, rib, make fun, poke fun subject to laughter or ridicule "The satirists ridiculed the plans for a new opera house"; "The students poked fun at the inexperienced teacher"; "His former students roasted the professor at his 60th birthday"
3. (verb)abuse, clapperclaw, blackguard, shout use foul or abusive language towards "The actress abused the policeman who gave her a parking ticket"; "The angry mother shouted at the teacher"
2. (noun)blackguard the scullions and lower menials of a court, or of a nobleman's household, who, in a removal from one residence to another, had charge of the kitchen utensils, and being smutted by them, were jocularly called the "black guard"; also, the servants and hangers-on of an army
3. (noun)blackguard the criminals and vagrants or vagabonds of a town or community, collectively
4. (noun)blackguard a person of stained or low character, esp. one who uses scurrilous language, or treats others with foul abuse; a scoundrel; a rough
5. (noun)blackguard a vagrant; a bootblack; a gamin
6. (verb)blackguard to revile or abuse in scurrilous language
Definitions of blackguard 
