Rainproof

//ˈɹeɪnpɹuːf// adj, verb

adj, verb ·Rare ·Advanced level

Definitions

Verb
  1. 1
    To make rainproof.
Adjective
  1. 1
    waterproof (for use outdoors); resistant to rain
Adjective
  1. 1
    not permitting the passage of water wordnet

Synonyms

All synonyms
airtightclosecompactfastfirmhermetic

Etymology

From rain + -proof.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.