assail has definitions from the field of military
1
[ verb ] attack someone physically or emotionally

Synonyms

assault attack set_on

Examples

"The mugger assaulted the woman" "Nightmares assailed him regularly"

Used in print

(The Christian Science Monitor,...)

Kennedy administration policies also have been assailed now from another direction by 70 Harvard , Boston_University , Brandeis , and Massachusetts_Institute of Technology educators .

(The Miami Herald,...)

Does it assail schools and churches with blanket accusations ?

(Los Angeles Times...)

And they 're confident that the GOP , currently assailed by dissensions within the ranks , will be impressed by the purring power beneath the hood of_this grassroots-fueled machine .

2
[ verb ] (military) launch an attack or assault on; begin hostilities with, as in warfare

Synonyms

attack

Examples

"Hitler attacked Poland on September 1, 1939 and started World War II" "Serbian forces assailed Bosnian towns all week"

3
[ verb ] attack verbally, in speech or writing

Examples

"The editors of the left-leaning paper attacked the new House Speaker"

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