I. adverb
: in addition : besides , also , too
there were other features as well
II. adverb
Etymology: ME as wel
1. : in addition : also , too
resists not only DDT but other well-known insecticides as well — H.J.Clausen
worked as a shipwright in … Singapore, where he was an armament officer as well — Current Biography
2. : to the same extent or degree : as much
the court … is open as well to the humblest as to the mightiest — Adoptive Rite Ritual
our churchmen have become wealthy as well by the gifts of pious persons as by … bribes — Sir Walter Scott
3.
a. : with equivalent or comparable effect
my devotion might as well have been offered to … a statue in a museum — W.B.Yeats
b. : to a slight or possible advantage
might just as well become reconciled to the fact that you're going to have trouble — Richard Joseph