Impervious



GRE 蓝宝 Barron

解释

GRE 红宝书

• adj. 不能渗透的; 不为所动的
• ［英］ 不能渗透的 ( incapable of being passed through or penetrated) ; 不为所动的 ( not affected by)
• ［记］ im ( 不) +pervious ( 渗透的) -> 不可渗透的

Webster Collegiate

adjective

• Etymology: Latin impervius, from in- + pervius pervious
• Date: 1640
• 1.
  • a. not allowing entrance or passage ; impenetrable <a coat impervious to rain>
  • b. not capable of being damaged or harmed <a carpet impervious to rough treatment>
• 2. not capable of being affected or disturbed <impervious to criticism>
• ? imperviously adverb
• ? imperviousness noun

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