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Meaning of tenuous

ten•u•ous

Pronunciation: (ten'y-us), [key]
— adj.
  1. thin or slender in form, as a thread.
  2. lacking a sound basis, as reasoning; unsubstantiated; weak: a tenuous argument.
  3. thin in consistency; rare or rarefied.
  4. of slight importance or significance; unsubstantial: He holds a rather tenuous position in history.
  5. lacking in clarity; vague: He gave a rather tenuous account of his past life.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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