Sinkproof
adj
adj ·Rare ·Advanced level
Definitions
Adjective
- 1 Resistant to sinking.
"a sinkproof boat"
Synonyms
All synonymsEtymology
From sink + -proof.
More for "sinkproof"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.