Strong's G3636 — ὀκνηρός (adjective)
okneros (ok-nay-ros') adj.
1. tardy, i.e. indolent
2. (figuratively) irksome
[from G3635]
KJV: grievous, slothful 
Root(s): G3635 
Hebrew root: ὀκνέω
Occurrences: 3