4th Degree Assault RCW 9A.36.041. Assault in the 4th Degree is a gross misdemeanor and is defined as an assault under circumstances not amounting to assault in the first, second, or third degree, or custodial assault.
Assault in the 4th Degree is sometimes referred to as "simple assault," although Washington DV law does not use this description. A person can (and often is) charged with assault 4th degree even if the alleged "assault" is very minor and there are no marks or injuries.
3rd Degree Assault RCW 9A.36.031. Assault in the 3rd Degree is a Class C Felony. For purposes of a Washington DV charge, Assault in the 3rd Degree is typically defined as causing, with criminal negligence, bodily harm to another person by means of a weapon or other instrument or thing likely to produce bodily harm; or, causing, with criminal negligence, bodily harm accompanied by substantial pain that extends for a period sufficient to cause considerable suffering.
2nd Degree Assault RCW 9A.36.021. Assault in the 2nd Degree is a Class B Felony (unless with a sexual motivation then Class A). Assault in the 2nd Degree is defined as: an intentional assault of another that recklessly inflicts substantial bodily harm; or, intentionally causing substantial bodily harm to an unborn child by intentionally and unlawfully inflicting any injury upon the mother; or, assault with a deadly weapon; or, with intent to inflict bodily harm causing someone to take poison; or, assaulting another with intent to commit a felony; or, knowingly inflicting bodily harm which by design causes such pain or agony as to be the equivalent of that produced by torture.
1st Degree Assault RCW 9A.36.011. Assault in the 1st Degree is a Class A Felony and is defined as, with intent to inflict great bodily harm; assaults another with a firearm or any deadly weapon or by any force or means likely to produce great bodily harm or death; or administers, exposes, or transmits to or causes to be taken by another, poison, the human immunodeficiency virus, or any other destructive or noxious substance; or assaults another and inflicts great bodily harm.