Attaking someone or something violently or verbally
reviewers assailed the book as soon as it came out
by IceCreamLove May 14, 2015
A person who attacks someone on a road or a masked attacker.
He was attacked by an unknown assailant.
by DefinitionsFortheSoul November 24, 2009
To attack with or as if with violent blows; assault.
Mike Tyson to Dermot Murnaghan on Sky News:

""You're starting to irritate me now... I guess I did change because I'm not assailing you""
by Hip-Hopper November 8, 2009
the act of an assailant, or assassin. To Kill, Murder.
i went into the room and an assailance took place.
by Matt December 16, 2004
A person in a position of authority who gains traction through self-aggrandizement and power-grabbing who concurrently attempts to rip apart the progress achieved in the fabric of that culture.
America has elected a most pernicious and destructive cultural assailant.
by Dr Bunnygirl July 22, 2019