IMPERVIABLE
\ɪmpəvˈa͡ɪəbə͡l], \ɪmpəvˈaɪəbəl], \ɪ_m_p_ə_v_ˈaɪ_ə_b_əl]\
Definitions of IMPERVIABLE
- 2006 - WordNet 3.0
- 2010 - New Age Dictionary Database
- 1913 - Webster's Revised Unabridged Dictionary