Choose from the given options one that is closest in meaning to "unscrupulous"

Unethical

The word that is closest in meaning to "unscrupulous" is unethical.

• Unscrupulous means having or showing no moral principles or conscience.
• Upstanding means having or showing high moral standards.
• Candid means open and honest.
• Unethical means not conforming to accepted standards of moral or professional conduct.
• Trustworthy means deserving of trust.