‖ [ It., fr. L. ad + satis enough. See Assets. ] (Mus.) A direction equivalent to very; as, adagio assai, very slow. [ 1913 Webster ]

v. t. [ imp. & p. p. Assailed p. pr. & vb. n. Assailing. ] [ OE. assailen, asailen, OF. asaillir, assailler, F. assaillir; a (L. ad) + saillir to burst out, project, fr. L. salire to leap, spring; cf. L. assilire to leap or spring upon. See Sally. ] 1. To attack with violence, or in a vehement and hostile manner; to assault; to molest; as, to assail a man with blows; to assail a city with artillery. [ 1913 Webster ]

No rude noise mine ears assailing. Cowper. [ 1913 Webster ]

No storm can now assail
The charm he wears within. Keble. [ 1913 Webster ]

2. To encounter or meet purposely with the view of mastering, as an obstacle, difficulty, or the like. [ 1913 Webster ]

The thorny wilds the woodmen fierce assail. Pope. [ 1913 Webster ]

3. To attack morally, or with a view to produce changes in the feelings, character, conduct, existing usages, institutions; to attack by words, hostile influence, etc.; as, to assail one with appeals, arguments, abuse, ridicule, and the like. [ 1913 Webster ]

The papal authority . . . assailed. Hallam. [ 1913 Webster ]

They assailed him with keen invective; they assailed him with still keener irony. Macaulay. [ 1913 Webster ]

Syn. -- To attack; assault; invade; encounter; fall upon. See Attack. [ 1913 Webster ]

a. Capable of being assailed. [ 1913 Webster ]

n. [ F. assaillant. ] One who, or that which, assails, attacks, or assaults; an assailer. [ 1913 Webster ]

An assailant of the church. Macaulay. [ 1913 Webster ]

a. [ F. assaillant, p. pr. of assaillir. ] Assailing; attacking. Milton. [ 1913 Webster ]

n. One who assails. [ 1913 Webster ]

n. The act or power of assailing; attack; assault. [ R. ] [ 1913 Webster ]

His most frequent assailment was the headache. Johnson. [ 1913 Webster ]