1. (v. t.) To fall upon with force; to assail, as with force and arms; to assault.

2. (v. t.) To assail with unfriendly speech or writing; to begin a controversy with; to attempt to overthrow or bring into disrepute, by criticism or satire; to censure; as, to attack a man, or his opinions, in a pamphlet.

3. (v. t.) To set to work upon, as upon a task or problem, or some object of labor or investigation.

4. (v. t.) To begin to affect; to begin to act upon, injuriously or destructively; to begin to decompose or waste.

5. (v. i.) To make an onset or attack.

6. (n.) The act of attacking, or falling on with force or violence; an onset; an assault; -- opposed to defense.

7. (n.) An assault upon one's feelings or reputation with unfriendly or bitter words.

8. (n.) A setting to work upon some task, etc.

9. (n.) An access of disease; a fit of sickness.

10. (n.) The beginning of corrosive, decomposing, or destructive action, by a chemical agent.

Jacksonian epilepsy MO Rolandic epilepsy abdominal epilepsy abuse accept access acquired epilepsy action activated epilepsy activation affect affect epilepsy affection aggression aggressiveness ailment akinetic epilepsy algorithm all-out war ambush amok apoplexy appeal to arms approach armed combat armed conflict arrangement arrest articulation assail assailing assailment assault assume attack attempt autonomic epilepsy barbarize batter battering battle begin beleaguer bellicosity belligerence belligerency berate berating beset besiege bitter words blackening blister blitz blockade blockage bloodshed blueprint blueprinting bout brutalize buckle down buckle to burn bushwhack butcher butchery calculation cardiac epilepsy carry on castigate censure challenge charge charting chauvinism citation clonic spasm clonus combat combativeness come at come down on complaint conception condemn contrivance contumely convulsion corrode corrosion cortical epilepsy course crack down on cramp criminate criticism criticize cry out against cry out on cry shame upon cursive epilepsy declare war decompose decrial decry defy delivery denigrate denigration denounce denunciation deprecate deprecation descend on descend upon descent design destroy destruction device devour diatribe disease disorder disorderliness disparage disparagement disposition dissolve diurnal epilepsy dive into draw first blood drive eat eclampsia embark in embark upon encompass endeavor engage in engage in battle enter on enter upon enterprise enunciation envisagement epilepsia epilepsia gravior epilepsia major epilepsia minor epilepsia mitior epilepsia nutans epilepsia tarda epilepsy epitasis erode erosion excoriate execration fall fall into fall on fall to fall upon falling sickness fashion fay fever fight fighting figuring fit focal epilepsy foray forcible seizure foresight forethought form frenzy furor fury fustigate game gang up on get busy get cracking get going get under way get with it go about go at go for go in for go into go on go to it go upon grand mal graphing grip ground plan guidelines guise hammer harass hard words harry haute mal have at hit hit like lightning hop to it hostilities hot war hysterical epilepsy ictus idea implicate implication impugn impugnment incriminate incrimination inculpate inculpation incursion infect inroad intention invade invasion invective inveigh against invest involve involvement irrupt jawing jeremiad jingoism jump jump to it killing la guerre land on larval epilepsy laryngeal epilepsy laryngospasm lash latent epilepsy launch forth launch into