invalid

CET-4 FREQ #13430 ★☆☆☆☆

n. 病人, 残废者 a. 有病的, 无效的

发音

US
US
/ˈɪn.və.lɪd/
/ɪnˈvæl.ɪd/
/ˈɪn.vəˌliːd/

词形变化

invalids 复数 invalids invalided invaliding invalids 三单 invaliding 现在分词 invalided 过去式 invalided 过去分词 more invalid 比较级 most invalid 最高级

释义与例句

n.
  1. 1.

    Any person with a disability or illness.

    伤残人

    过时 冒犯
  2. 2.

    A person who is confined to home or bed because of illness, disability or injury; one who is too sick or weak to care for themselves.

    过时 冒犯
  3. 3.

    A disabled member of the armed forces; one unfit for active duty due to injury.

    古体
v.
  1. 1.

    To exempt from (often military) duty because of injury or ill health.

    及物

    He was invalided home after the car crash.

  2. 2.

    To make invalid or affect with disease.

    及物
adj.
  1. 1.

    Not valid; not true, correct, acceptable or appropriate.

    无效

    Your argument is invalid because it uses circular reasoning.

    This invalid contract cannot be legally enforced.

  2. 1.

    Suffering from disability or illness.

  3. 2.

    Intended for use by an invalid.

词汇关系

相关短语

词源

Etymology tree Proto-Indo-European *né Proto-Indo-European *n̥- Proto-Italic *ən- Latin in- Proto-Indo-European *h₂welh₁- Proto-Indo-European *h₂wl̥h₁éh₁yeti Proto-Italic *walēō Latin valeō Proto-Indo-European *dʰeh₁-der. Latin -idus Latin validus Latin invalidus Middle French invalide English invalid From Middle French invalide, from Latin invalidus (“infirm, weak”), from in- (“not”) + validus (“strong”).

来源:wiktionary