watertight
/ˈwɔː.tə.taɪt/ adjective
Forms water-tight
- adjective So tightly made that water cannot enter or escape.
- adjective (figurative) So devised or planned as to be impossible to defeat, evade or nullify. “a watertight alibi”
Synonyms
waterfast waterproof impervious impermeable unassailable unshakable bulletproof
Etymology
From water + tight. Compare Scots wattirticht (“watertight”), West Frisian wetterticht (“waterproof”), Dutch waterdicht (“waterproof, watertight”), German wasserdicht (“watertight, waterproof”), Danish vandtæt (“watertight”), Swedish vattentät (“watertight, waterproof”).
Sources: Wiktionary · WordNet 3.0 — from the Wiktionary entry “watertight”, CC BY-SA 4.0. Details