invalid

• adj.病人；病人；不具者
• n. 患者；病人
• vt. 使用不能にする；退役させる
• vi.病弱になる；病気のため退役を命じられる

in-、not、non、valid、valid。

invalid

invalid: see valid

invalid (adj.1)

"not strong, infirm," 1640s, from Latin invalidus "not strong, infirm, weak, feeble," from in- "not" (see in- (1)) + validus "strong" (see valid). Specific meaning "infirm from sickness, disease, or injury" is from 1640s.

invalid (adj.2)

"of no legal force," 1630s, from special use of Latin invalidus (see invalid (adj.1)).

invalid (n.)

1709, originally of disabled military men, from invalid (adj.1). Invalides is short for French H?tel des Invalides, home for old and disabled soldiers in the 7th arrondissement of Paris.

1. Margaret resides with her invalid mother in a London suburb.

マーガレットは彼女の病弱な母親とロンドン郊外に住んでいる。

2.At best Nella would be an invalid ; at worst she would die.

内引きは障害が落ちるといい、悪い方に言うと生命が保たれないかもしれない。

3.The treaty was declared invalid because it had not been ratified.

条約は批准されていないため、無効と宣言された。

4.A passport that is out of date is invalid .

パスポートの有効期限は無効です。

5.Dr.Smith looked in on the invalid the day before yesterday.

スミス先生はおとといその患者を見舞いに行った。