Lexical Definition

‎συναπόλλυμι‎ synapóllymi (soon-ap-ol'-loo-mee) to die/destroy with G:V
from ‎σύν‎ and ‎ἀπόλλυμι‎

perish with.

Usage: 5 forms in 7 verses
Form Translated As     In Verse(s)
συναπώλετο did perish with Heb.11.31
συναπόλησθε be destroyed together LXX.Num.16.26
συναπόλη should LXX.Gen.19.15
συναπολέσησ destroy me together LXX.Ps.28.3
destroy together LXX.Gen.18.23 • LXX.Ps.26.9
συναπολέση be destroyed together with LXX.Deut.29.19

Abbott-Smith

συν-απ-όλλυμι [in LXX chiefly forספה;]
to destroy with or together. Pass., to perish together (with): c. dat. pers., He 11:31.†

Abbott-Smith References

Book Refs
Hebrews 11:31

Liddell-Scott-Jones

συναπόλλυμι,

destroy together, μετά τινος [Refs 5th c.BC+]; σ. τοὺς φίλους destroy one's friends as well as oneself, [Refs 5th c.BC+]; σ. τὰ Χρήματα lose the money also, [Refs 4th c.BC+]; τινί τι one thing with another, [Refs 1st c.AD+]:—passive, perish together, [NT+5th c.BC+]

LSJ Scripture Refs: Heb.11.31