(1):

(adv.) Exceedingly; excessively; surpassingly; as, passing fair; passing strange.

(2):

(n.) The act of one who, or that which, passes; the act of going by or away.

(3):

(a.) Relating to the act of passing or going; going by, beyond, through, or away; departing.

(4):

(a.) Exceeding; surpassing, eminent.

(5):

(p. pr. & vb. n.) of Pass