invalid
/ɪnˈvæl.ɪd/ adjective B2- Not valid; not true, correct, acceptable, or appropriate. · Your argument is invalid because it uses circular reasoning.· This invalid contract cannot be legally enforced.
Phrasal verbs and expressions
From the library
“Thanks,” murmured the invalid, extending one hand.
On the third night after Brunton’s disappearance, the nurse, finding her patient sleeping nicely, had dropped into a nap in the armchair, when she woke in the early morning to find the bed empty, the window open, and no signs of the invalid.
I say normal cases, because ill-health and physical weakness reproduce the signs of old age, even when the invalid is a youth.
The stout young man had left us, but his sister still remained with her hand in that of the invalid.
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