LABORIOUS


Meaning of LABORIOUS in English

[ lə'bɔ:rɪəs ]

■ adjective requiring considerable time and effort.

↘(of speech or writing style) showing obvious signs of effort.

Derivatives

~ly adverb

~ness noun

Origin

ME: from OFr. laborieux , from L. laboriosus , from labor 'labour'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.