adjective🔗ShareSo tightly made that water cannot enter or escape."The new lunchbox is watertight, so my sandwich won't get soggy if it rains. "nauticaltechnicalbuildingconditionChat with AIVocabulary GamePractice Reading
adjective🔗ShareSo devised or planned as to be impossible to defeat, evade or nullify."a watertight contract; a watertight regulation"plansystemtechnicalbusinesslawpoliticsChat with AIVocabulary GamePractice Reading
