The Collaborative International Dictionary of English v.0.48:
Tearful \Tear"ful\, a. Abounding with tears; weeping; shedding tears; as, tearful eyes. -- Tear"ful*ly, adv. -- Tear"ful*ness, n. [1913 Webster]WordNet (r) 3.0 (2006):
tearfully adv 1: with tears; in a tearful manner; "the man confessed tearfully to having beaten his wife"