verb
-tacks; -tacked; -tacking
to act violently against (someone or something) :to try to hurt, injure, or destroy (something or someone) [+ obj]
[+ obj] :to criticize (someone or something) in a very harsh and severe way
[+ obj] to begin to work on or deal with (something, such as a problem) in a determined and eager way
to begin to eat (food) eagerly
[+ obj] :to begin to harm, injure, or destroy (something)
sports :to try to score points or goals by moving forward in a very forceful way [no obj]
noun
plural -tacks
[count] :a violent, harmful, or destructive act against someone or something
harmful or destructive action against something by a disease, insect, chemical, etc. [noncount]
an attempt by a military force to defeat an enemy :a military offensive [count]
[count] :strong or severe criticism
[count] :a sudden short period of suffering from an illness or of being affected by a strong emotion
[count] :an attempt to destroy or end something - often + on
a method of dealing with something (such as a problem) [count]
sports
[count] :an attempt by a player or group of players to score points, goals, or runs - usually singular
b Brit :the players on a team who try to score :offense [singular]
on the attack
making an attack
under attack
being affected or hurt by an attack :being attacked
adjective
always used before a noun
designed for or used in a military attack