1. (verb)assail, assault, set on, attack attack someone physically or emotionally Synonyms: violate, set on, assail, lash out, snipe, ravish, round, dishonour, outrage, assault, rape, dishonor, attack, aggress
2. (verb)attack, assail launch an attack or assault on; begin hostilities or start warfare with Synonyms: set on, assail, lash out, aggress, round, assault, attack, snipe
3. (verb)attack, round, assail, lash out, snipe, assault attack in speech or writing Synonyms: ravish, round out, set on, polish up, rape, violate, round down, polish, snipe, lash out, outrage, assail, fill out, dishonor, round, assault, labialise, brush up, attack, labialize, flesh out, aggress, dishonour, sharpshoot, round off
Synonyms, Thesaurus & Antonyms of 'assail'
English Synonyms and Antonyms
1. assail To attack is to begin hostilities of any kind. A general invades a country by marching in troops; he attacks a city by drawing up an army against it; he assaults it by hurling his troops dire Synonyms: attack, assail, beset, combat, invade, assault, besiege, encounter, set upon, beleaguer, charge, fall upon, storm Antonyms: aid, cover, protect, shelter, support, uphold, befriend, defend, resist, shield, sustain, withstand
Synonyms for assail 
