Lexical Definition

‎συντρίβω‎ syntríbō (soon-tree'-bo) to break ^G:V
from ‎σύν‎ and the base of ‎τρίβος‎

break (in pieces), broken to shivers (+ -hearted), bruise.

• to crush completely, i.e. to shatter (literally or figuratively)

Abbott-Smith

συν-τρίβω [in LXX chiefly for שׁבר ;]
to shatter, break in pieces: Mt 12:20 (LXX), Mk 5:4 14:3, Jo 19:36 (LXX), Re 2:27; of persons and parts of the body, to break, crush, bruise: Lk 9:39; fig., Ro 16:20.†

Abbott-Smith References

Liddell-Scott-Jones

συντρίβω [ῑ]

rub together, σ. τὰ πυρεῖα rub dry sticks together to procure a light, [Refs 2nd c.AD+]; grind, φάρμακα (for paints) [Refs 1st c.AD+]; κολλύριον [Refs]

__II shatter, shiver to atoms, τοὺς χόας [Refs 5th c.BC+]; σ. [τὰς ναῦς] stave them in, by running them aground, [Refs 5th c.BC+]; τὰ δόρατα, τὴν ἀσπίδα, [Refs 5th c.BC+]; τὰ ποτήρια [Refs 4th c.BC+] —passive, συντρῐβέντων τῶν σκευῶν, of a ship, [Refs 4th c.BC+]; [νῆες] συντετριμμέναι, opposed to τελέως διεφθαρμέναι, [Refs 1st c.BC+]
__II.2 of persons, beat to a jelly, [Refs 5th c.BC+]; of parts of the body, crush, shiver, λίθῳ σ. τὸ μέτωπον, etc., [Refs 5th c.BC+]:—passive, τὰ.. τοῦ σώματος μέρη συντετρῖφθαι [Refs 5th c.BC+]
__II.2.b with genitive partis, συντρῖψαι τῆς κεφαλῆς [Refs 5th c.BC+] —passive, ξυντριβῆναι τῆς κεφαλῆς to have one's head broken (compare κατάγνυμι near the end), [Refs 5th c.BC+]
__II.3 metaphorically, shatter, crush, τὴν ἐπίνοιαν [Refs 5th c.BC+]; ὅταν πέσῃ.., πλεῖστα συντρίβει καλά [Refs 4th c.BC+]:—passive, [Refs 3rd c.BC+]; κινδυνεύσει συντριβῆναι τὰ πράγματα [LXX+2nd c.BC+]; συνετρίβη ἡ καρδία[LXX]

_{LSJ Scripture Refs: LXX.Ps.146.3* ☩ LXX.Isa.61.1 ☩ LXX.Jer.23.9 ☩ LXX.Ps.50.19*}