INFIRM


Meaning of INFIRM in English

■ adjective

1》 not physically strong, especially through age.

2》 archaic irresolute; weak.

Derivatives

~ly adverb

Origin

ME: from L. ~us , from in- 'not' + firmus 'firm'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.