attack
verb
attacked;
attacking;
attacks
Definition of attack
(Entry 1 of 3)
1
: to set upon or work against forcefully
attack an enemy fortification
2
: to assail with unfriendly or bitter words
a politician verbally attacked by critics
3
: to begin to affect or to act on injuriously
plants attacked by aphids
4a
: to set to work on
attack a problem
b
: to begin to eat (food) eagerly
At the table he attacked his meal with such singleminded ferocity as to be, as Boswell put it, disgusting to those whose sensations were delicate.— Donald R. DeGlopper
5
chess
: to threaten (a piece) with immediate capture
: to make an attack
They were unprepared when the enemy attacked.
attack
noun
plural attacks
Definition of attack (Entry 2 of 3)
2
: a belligerent or antagonistic action
launched an attack against his political opponents
3a
: a fit of sickness
especially
: an active episode of a chronic or recurrent disease
an attack of bronchitis
b
: a period of being strongly affected by something (such as a desire or mood)
an attack of the jitters
c
: an aggressive attempt to take or extend a lead over others in a race (such as a bicycle race)
… he crushed his rivals in the first mountain stages by going on relatively long solo attacks.— Samuel Abt
4a
: an offensive or scoring action
won the game with an 8-hit attack
b
: offensive players or the positions taken up by them
5
: the setting to work on some undertaking
made a new attack on the problem a new plan of attack
6
: the beginning of destructive action (as by a chemical agent)
7
music
: the act or manner of beginning a musical tone or phrase
on the attack
under attack
: making an attack
The soldiers were on the attack.
—often used in the phrase go on the attack with the meaning "to begin attacking" Last week he challenged Bradley to debate him and went on the attack, accusing his challenger of "disloyalty" to the party …— Matt Bai
: in the process of being attacked
soldiers under attack a politician who is under attack from his opponents
—often used in the phrase come under attack with the meaning "to begin being attacked" a theory that has recent come under attack