Used chiefly in fixed phrases (e.g., 'full well') meaning 'completely' or 'very'.
Definitions
She knew full well that he was lying.
Mostly in the phrase 'the full', meaning the maximum or highest point or amount.
Definitions
The greatest possible amount or degree; fullness or completeness. The river was at the full after days of rain.
The phase of the moon when it is fully illuminated. They planned the ceremony to coincide with the full of the moon.