Characterized by being dishonorable or contemptible.

बेइमान या तिरस्कृत होने की विशेषता।

English Usage: His blackguardly behavior was unacceptable at the event.

Hindi Usage: उसका बेइमान व्यवहार उस कार्यक्रम में अस्वीकार्य था।

A scoundrel or unscrupulous person.

एक धूर्त या बेईमान व्यक्ति।

English Usage: The blackguard was finally caught after years of deceit.

Hindi Usage: उस बेईमान को वर्षों की धोखाधड़ी के बाद अंततः पकड़ लिया गया।