LSJ
take the field, make war against, τινί X. Cyr. 8.8.26; — later in Act., D.S. 22.15, J. AJ 2.10.1 (abs.); metaph, Ἔρωτες ἀ. τοῖς ὑπερηφανοῦσι Aristaenet. 2.1.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
TBESG
ἀντι-στρατεύομαι
to make war against: with dative, Rom.7:23.†
(AS)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars