Dictionary and Thesaurus

Definition of Watertight

• (adjective satellite) without flaws or loopholes; "an ironclad contract"; "a watertight alibi"; "a bulletproof argument"
• (adjective satellite) not allowing water to pass in or out

Synonyms of Watertight

• Unassailable
• Unshakable
• Bulletproof

Antonyms of Watertight

Homophones of Watertight