ten·u·ous 
/ˈtɛnjəwəs/ adjective
/ˈtɛnjəwəs/ adjective [more tenuous; most tenuous] 1 : not certain, definite, or strong : flimsy, weak, or uncertain
▪ He has a tenuous grasp/grip/hold on reality. ▪ a tenuous hypothesis/relationship ▪ The local theater has had a tenuous existence in recent years. ▪ He could demonstrate only a tenuous claim to ownership. ▪ The connection between his absence and the robbery is tenuous [=shaky] at best. 2 literary : very thin
▪ the silkworm's tenuous threads
▪ He has a tenuous grasp/grip/hold on reality. ▪ a tenuous hypothesis/relationship ▪ The local theater has had a tenuous existence in recent years. ▪ He could demonstrate only a tenuous claim to ownership. ▪ The connection between his absence and the robbery is tenuous [=shaky] at best.
▪ the silkworm's tenuous threads
— ten·u·ous·ly adverb
▪ He was tenuously linked to the crime.
▪ He was tenuously linked to the crime.
