[{"Bold_text": "adjective", "List Items": ["characterized by faithlessness or readiness to betray trust; traitorous .Synonyms: treasonous , faithless , unfaithful Antonyms: loyal", "deceptive, untrustworthy, or unreliable.Synonyms: deceitful Antonyms: reliable", "unstable or insecure, as footing.", "dangerous ; hazardous :a treacherous climb."]}]