Select the most appropriate antonym of the word.

TREACHEROUS

Faithful

The most appropriate antonym of the word treacherous is faithful.

• Treacherous means guilty of or involving betrayal or deception.
• Faithful means remaining loyal and steadfast.

The other words are not antonyms of "treacherous" because they have different meanings.

• Deceitful means guilty of or involving deceit; deceiving or misleading others.
• Disloyal means not loyal or faithful to one's country, principles, or friends.
• Dangerous means likely to cause harm or injury.