Slothful - Vine's Expository Dictionary of New Testament Words
Slothful
[ 1,,G3576, nothros ]indolent, sluggish," is rendered "slothful" in Hebrews 6:12, AV, See DULL, and synonymous words there, and SLUGGISH.
[ 2,,G3536, okneros ]
"shrinking, irksome," is translated "slothful" in Matthew 25:26, and Romans 12:11, where "in diligence not slothful," RV, might be rendered "not flagging in zeal." See GRIEVOUS, Note
(2).