1. very weak or slight; having little substance or strength
2. very thin or fine in form or structure
Usage: often used in scientific contexts

Examples

• The connection between the two events was tenuous at best.
• Her grip on the rope became increasingly tenuous as she grew tired.
• The evidence linking him to the crime was tenuous and circumstantial.
• There’s only a tenuous relationship between those two theories.
• The spider’s web consisted of tenuous strands that glistened in the morning dew.
• His tenuous hold on power finally collapsed after the scandal broke.