Lexical Definition

‎δειλία‎ deilía (di-lee'-ah) timidity G:N-F
from ‎δειλός‎

fear.

Usage: 3 forms in 5 verses
Form Translated As     In Verse(s)
δειλίασ of cowardice 2Tim.1.7
δειλίαν dreaded LXX.Ps.89.40
timidity LXX.Lev.26.36
δειλία dread LXX.Ps.55.4LXX.Prov.19.15

Abbott-Smith

δειλία, -ας, ἡ (< δειλός), [in LXX for אֵימָה, מְחִתָּה, etc. ;]
cowardice, timidity (never in good sense): II Ti 1:7.†
SYN.: φόβος, fear, in general, good or bad; εὐλάβεια (q.v.), apprehension generally, but chiefly pious fear, "that careful and watchful reverence which pays regard to every circumstance in that with which it has to deal" (cf. Tr., Syn., § x).†

Abbott-Smith References

Book Refs
2 Timothy 1:7

Liddell-Scott-Jones

δειλία, ,

timidity, cowardice, [Refs 5th c.BC+]; δειλίην ὀφλεῖν to be charged with cowardice, [Refs 5th c.BC+]; δειλίας ὀφλεῖν (i.e. δίκην) [Refs 5th c.BC+]; ἔνοχος δειλίας (i.e. δίκῃ) [Refs 5th c.BC+]; opposed to ἀνδρεία, θρασύτης, [Refs 5th c.BC+]

__II misery, [Refs 6th c.AD+]