Quick answer
Blackguard means a scoundrel or contemptible person. It is old-fashioned, severe, and often pronounced BLAG-ard.
Word page
A blackguard is a scoundrel, rogue, or dishonest and contemptible person. The word looks severe on the page and sounds even more dramatic aloud, especially because its traditional pronunciation is often closer to BLAG-ard. Today it works best in historical fiction, theatrical accusation, or discussion of old insults.
Blackguard means a scoundrel or contemptible person. It is old-fashioned, severe, and often pronounced BLAG-ard.
In plain English, a blackguard is someone with bad character: dishonest, low, contemptible, or villainous. It is stronger than rascal and usually less playful than rapscallion. The variant spelling blaggard exists too, but blackguard is the standard form.
Blackguard is rare, old-fashioned, and strongly negative. Use it when the character is dishonest or morally contemptible and the old-fashioned force is useful. If you want a simpler modern word, use scoundrel, villain, or dishonest person.
honorable person, decent person, upright person, trustworthy person
Blackguard originally referred to low-status household or camp followers associated with dirty work, then developed into an insult for a low or contemptible person.
Use blackguard when old-fashioned moral condemnation is the point. If readers need instant modern clarity, choose scoundrel or villain.
You can also look up Blackguard on these trusted language resources:
Edited by Absurd Words. Last updated: May 14, 2026. See the editorial policy for how definitions, examples, labels, and update checks are handled on the site.