Quick Definition
συναθλέω v. I compete together with others
Strong's Definition
from 4862 and 118; to wrestle in company with, i.e. (figuratively) to seek jointly
KJV Usage: labour with, strive together for
UBS Dictionary of the Greek New Testament
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
συν-αθλέω, -ὦ ; 1 aor. συνήθλησα; fo strive at the same time with another: with a dat. commodi[ef. W. § 31, 4], for something, Phil. i. 27; τινὶ ἔν τινι, together with one in something, Phil. iv.3. (univ. ἐο heip, assist, Diod. 8, 4.)
Mounce Concise Greek Dictionary
συναθλέω synathleō 2x
pr. to fight or work on the side of any one; in NT to cooperate vigorously with a person, Phil. 4:3; to make effort in the cause of, in support of a thing, Phil. 1:27*
Abbott-Smith Greek Lexicon
* συν-αθλέω, -ῶ = συναγωνίζομαι: c. dat. commod., Phl 1:27; c. dat. pers., seq. ἐν, Phl 4:3.†
Liddell-Scott-Jones — Greek-English Lexicon
συναθλέω (sunathleō) — to contend. συναθλέω, ={συναγωνίζομαι},{τινι} with one, [NT]; struggle together, τινι for a thing, [Refs]
II. impress by practice upon, μεταφορᾶς μνήμῃ συνηθλημένης [Refs 1st c.BC+]