watertight
adjective
[ ˈwɔːtətʌɪt ]
• closely sealed, fastened, or fitted so that no water enters or passes through.
• "a watertight compartment"
Similar:
waterproof,
water-repellent,
water-resistant,
weatherproof,
damp-proof,
impermeable,
impervious,
sealed,
hermetically sealed,
coated,
proofed,
rubberized,
• (of an argument or account) unable to be disputed or questioned.
• "their alibis are watertight"
Similar:
indisputable,
unquestionable,
incontrovertible,
undeniable,
irrefutable,
unassailable,
impregnable,
beyond dispute,
beyond question,
beyond doubt,
indubitable,
foolproof,
sound,
flawless,
airtight,
conclusive,
perfect,
without loopholes,
