full well

Etymology
From, , from , equivalent to. Compare 🇨🇬.

Adverb

 * 1) Very well
 * 2) * 2006. Nadia Yassine. Full Sails Ahead. Justice and Spirituality Publications. page 2.
 * He knows full well that I don't like that club.
 * 1) * 2006. Nadia Yassine. Full Sails Ahead. Justice and Spirituality Publications. page 2.
 * He knows full well that I don't like that club.

Usage notes
was formerly used as an adverb in English. This has largely been replaced by fully, but full well remains in common usage, almost always modifying the verb to know. It is sometimes corrected to fully well, though this may be seen as incorrect or a hypercorrection.