- lacking a sound basis, as reasoning; unsubstantiated; weak: a tenuous argument.
- of slight importance or significance: He holds a rather tenuous position in history.
- lacking in clarity; vague: He gave a rather tenuous account of his past life.
- thin or slender in form, as a thread.
- thin in consistency; rare or rarefied.
- insignificant or flimsy
- slim, fine, or delicate
- diluted or rarefied in consistency or density
