Hastings' Dictionary of the Bible (1898)
JOY is an agreeable affection of the soul, 1 Sam 18:6, arising from the possession or prospect of good. Ezr 6:16; Esth 8:16. , to signify a religious emotion. That which springs from a sense of pardoned sin and a union of the soul to Christ is pure, Luke 15:9-10; certain, John 16:22; unspeakable, 1 Pet 1:8; and eternal. Isa 61:7. "Believers are commanded to rejoice, Phil 3:1;Phil 4:4, but there is also a worldly, foolish, or hypocritical joy. Job 20:5; Prov 15:21. " — Ayre.