4
up in arms(expression, idiom, adverb, upset, ready)
3
militant(adjective, attack)
2
antagonistic
2
at daggers drawn(expression, idiom)
2
at odds(expression, adverb, hostile)
2
fighting(adjective, belligerent, beset, fortified, besieged)
2
hostile(adjective, attack)
1
against the grain(expression, idiom)
1
against the tide(expression, idiom)
1
against the wind(expression, idiom)
1
antipathetic
1
at cross-purposes
1
at daggers
1
at feud
1
at issue
1
at loggerheads
1
at square
1
at strife
1
at variance
1
at war with(expression, idiom)
11 years ago|1.1k views|share |citing 
APASmart Define. (2015). at war thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/at_war/thesaurus/synonyms
ChicagoSmart Define. 2015. "at war thesaurus" https://smartdefine.org/at_war/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, at war thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/at_war/thesaurus/synonyms>.
MLASmart Define. "at war thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/at_war/thesaurus/synonyms>