[{"Bold_text": "adjective", "List Items": ["lacking a sound basis, as reasoning; unsubstantiated ; weak :a tenuous argument.", "of slight importance or significance:He holds a rather tenuous position in history.Synonyms: trifling , trivial , insignificant Antonyms: substantial , important", "lacking in clarity; vague :He gave a rather tenuous account of his past life.", "thin or slender in form, as a thread.Synonyms: attenuated Antonyms: thick", "thin in consistency; rare or rarefied."]}]