Lexical Definition

‎πικραίνω‎ pikraínō (pik-rah'-ee-no) to embitter G:V
from ‎πικρός‎

be (make) bitter.

Usage: 10 forms in 13 verses
Form Translated As     In Verse(s)
ἐπικράνθησαν they were made bitter Rev.8.11
ἐπικράνθη was made bitter Rev.10.10
πικρανθήσονται shall be pricked LXX.Jer.33.9
πικρανεῖ it will make bitter Rev.10.9
πικραινομένη is being embittered LXX.Lam.1.4
πικραίνεσθε do be harsh Col.3.19
πικράνασ embittering LXX.Job.27.2
πικράναί to embitter LXX.Jer.32.32
επικράνθησαν were embittered LXX.Jer.37.15
επικράνθη embittered LXX.Ruth.1.20
it is made bitter LXX.Ruth.1.13
was embittered LXX.Exod.16.20LXX.Isa.14.9

Abbott-Smith

πικραίνω (< πικρός), [in LXX for מרר, קצף, etc.;]
to make bitter: Re 10:9; pass., Re 8:11 10:10; metaph., to embitter (LXX): pass., seq. πρός, Col 3:19.†

Abbott-Smith References

Book Refs
Colossians 3:19
Revelation 8:11 · 10:9 · 10:10

Liddell-Scott-Jones

πικραίνω-αίνω,

make sharp or keen, especially to the taste, π. τὴν κοιλίαν make it bitter, [NT]:— passive, τὸ στόμα πικραίνωαίνεται [Refs 5th c.BC+]

__2 metaphorically, embitter, irritate, τὴν ψυχήν [LXX]; τὴν ἀκοήν affect it harshly, opposed to γλυκαίνω, [Refs 1st c.BC+]; make harsh, νόμους conjecture in [Refs 4th c.BC+]:—passive, to be exasperated, embittered, [Refs 5th c.BC+]; ζωγράφος πονεῖ τι καὶ π. vexes himself, [LXX+4th c.BC+]; ἔν τισι[LXX]; also πικραίνωάνθη μοι it grieved me, [Refs]
__3 of style, make harsh or rugged, διάλεκτον [Refs 1st c.BC+]

LSJ Scripture Refs: LXX.Job.27.2LXX.Exod.16.20LXX.Ruth.1.20