What does opine mean in English?
: to express opinions You may opine about anything you want. transitive verb. : to state as an opinion opined that the nominee was not fit to serve on the Supreme Court.
Which pronunciation of either is correct?
Using English phonetics, [ EE-ther ] and [ AHY-ther ] are both correct. As a side note, giving “th” a phonetic Z (or S or F or D) sound is a common mispronunciation that can be corrected with practice.