Lexical Definition

‎ἀθυμέω‎ athyméō (ath-oo-meh'-o) be discouraged G:V
from a compound of ‎Α‎ (as a negative particle) and ‎θυμός‎

be dismayed.

Usage: 5 forms in 7 verses
Form Translated As     In Verse(s)
ἀθυμῶσιν they may become discouraged Col.3.21
ηθύμησε David was depressed LXX.2Sam.6.8 • LXX.1Chr.13.11
Samuel was depressed LXX.1Sam.15.11
ηθύμει she was depressed LXX.1Sam.1.7
αθυμούσαν being depressed LXX.Deut.28.65
αθυμήσασι depressed LXX.Isa.25.4

Abbott-Smith

ἀθυμέω, -ῶ (ἄ-θυμος, without heart), [in LXX for חרה, etc.;]
to be disheartened: Col 3:21.†

Abbott-Smith References

Book Refs
Colossians 3:21

Liddell-Scott-Jones

ἀθυμέω-έω,

to be disheartened, despond, ἐς νόσον πεσὼν ἀθυμεῖς[Refs 5th c.BC+]; ἀ τινι. at or for a thing, [Refs 5th c.BC+]:—to be sore afraid lest, ἀθυμῶ δ᾽ εἰ φανήσομαι[Refs 5th c.BC+]