raintight

Adjective

Meaning

raintight (comparative more raintight, superlative most raintight)

So tight as to exclude rain.
a raintight roof

Source: en.wiktionary.org

Synonyms

impermeable airtight watertight imperviable weatherproof water-repellent gastight leakproof windtight light-tight

Close letter words and terms

rainstormy rainsuit rainswept raintop raintree rainwash