tenuous

/ˈtɛnjuəs/
adjective
  1. Very weak or slight; not strong or solid.
    • The peace agreement was tenuous and could break at any moment.
    • She had only a tenuous grasp of the subject before the test.
    • The connection between the two events is tenuous at best.
  2. Very thin or slender.
    • The tenuous thread was barely visible against the dark fabric.
    • A tenuous strand of hair floated in the breeze.
    • The bridge was made of tenuous cables that looked too weak to hold the weight.
Antonyms
What does "tenuous" mean? | whatsthatwordmean | whatsthatwordmean