[verb] [formal] - to give an opinionShe likes to opine about/on what she reads in the newspapers. [I]Power grows from the barrel of a gun, opined Mao Tse-tung. [+ speech]Ernest Rutherford opined that his work on radioactive substances would be of little or no practical use. [+ that clause]
OPINE
Meaning of OPINE in English
Cambridge English vocab. Кембриджский английский словарь. 2012