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a. A violent physical attack, as with blows.
b. A strong or cutting verbal attack.
a. A military attack, such as one launched against a fortified area or place.
b. The concluding stage of an attack in which close combat occurs with the enemy.
3. Law
a. An unlawful threat or attempt to do bodily injury to another.
b. The act or an instance of unlawfully threatening or attempting to injure another.
a. Sexual assault.
b. The crime of rape.
5. A rigorous or energetic effort to accomplish something difficult: an assault on the mountain's summit; an assault on poverty.
v. as·sault·ed, as·sault·ing, as·saults
1. To make a violent assault upon; attack. See Synonyms at attack.
2. To rape.
3. To attack verbally; criticize or denounce.
4. To harass or beset: assaulted by advertisements.
To make an assault.

[Middle English assaut, from Old French, from Vulgar Latin *assaltus, variant of Latin assultus, from past participle of assilīre, to jump on; see assail.]

as·sault′er n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.assaulter - someone who attacksassaulter - someone who attacks      
offender, wrongdoer - a person who transgresses moral or civil law
ambusher - an attacker who waits in a concealed position to launch a surprise attack
avenger, retaliator - someone who takes vengeance
brute, savage, wildcat, beast, wolf - a cruelly rapacious person
bludgeoner - an assailant who uses a bludgeon
bully, hooligan, roughneck, rowdy, ruffian, yob, yobbo, yobo, tough - a cruel and brutal fellow
harrier, harasser - a persistent attacker; "the harassers were not members of the regular army"
iconoclast - someone who attacks cherished ideas or traditional institutions
marauder, piranha, predator, vulture - someone who attacks in search of booty
night rider, nightrider - member of a secret mounted band in United States South after the American Civil War; committed acts of intimidation and revenge
raper, rapist - someone who forces another to have sexual intercourse
shedder, spiller - an attacker who sheds or spills blood; "a great hunter and spiller of blood"
slasher - someone who slashes another person
stabber - someone who stabs another person
lapidator, stoner - an attacker who pelts the victim with stones (especially with intent to kill)


One who starts a hostile action:
References in classic literature ?
Evidently disheartened by the failure of their first attempt the assaulters drew off, but only for a short time.
Society has created a negative image for those who come forward after being sexually abused, especially if the assaulter held some position of power.
Delta Air Lines has not yet issued a public statement over the recent lawsuit filed against the airline and the unnamed alleged assaulter.
The harassment law was first issued in Egypt in June 2014 during the tenure of the interim president Adly Mansour, it states that the minimum term of imprisonment for the assaulter is 6 months and/or paying a minimum fine of LE 3000 ($170) and maximum fine of LE 5000 ($283).
The assaulter then made an appearance before the court where the girl's father pardoned him.
She cited an example of Iran where last year a seven-year-old Atena Aslani was assaulted, killed, dumped and the Iranian government openly hanged the assaulter in front of a large crowd and since then no such case has been reported.
It has to be part of this complex buffet of offerings called "empowerment self-defense," and this is teaching girls in particular--but boys also--how to physically resist an assaulter, but also how to remove themselves from a situation before an assault occurs.
A young pro-state journalist and member of the presidential pardon committee used a similar approach in her piece for Al-Watan, highlighting the notion of social gaps between the attacker and the assaulter.
It's important that we not just focus on him and whatever consequences flow from these stories about his behaviour but that we recognise this kind of behaviour cannot be tolerated anywhere, whether it's in entertainment, politics," she said, adding: "After all we have someone admitting to be a sexual assaulter in the Oval Office.
According to the three victims, their assaulter threatened to beat and murder them if they were to inform others.
Scenario II--Limited assets accessible to bargain meters: The assaulter is constrained in the assets needed to trade off meters.
Byers was the second assaulter on the approach toward the building identified as containing the hostage.