thin as paper
- waferThin crisp disk
- tissueDisposable soft paper
- delicateEasily broken or harmed
- translucentPermitting diffused light passage
- fragileEasily broken or damaged
flimsy · sheet · gossamer · membrane · wispy · sheer · filmy · razor · sliver · parchment · vellum · onionskin · leaf · blade · crisp · brittle · crinkle · tear
thickness/depth
thin as paperthick as a brick
Hopelessly slow mentally
thick · bulky · substantial · dense · chunky
substantiveness/depth (figurative)
thin as paperdeep
Far from surface
substantive · profound · rich · weighty · complex
fragility/durability
thin as papersolid as a rock
Extremely stable and reliable
rock-solid · sturdy · robust · durable · tough as nails