Askance = Scornfully, To view with suspicion, Obliquely
Askew = Crooked, curved, Awry
Aspersion = Verbal exhibition of bad temper, defamation, slander
Assail = To attack Vigorously, ridicule, assault
Assiduous = Industrious, studious, persistent
Astringent = Harshly biting, Acerbic,Sharp
Asunder = Disconnected, apart
Baleful = Sinister, Evil, Miserable, menacing
Balk = Hesitate, refuse, prevent
Bastion = Fort, stronghold