Idle - Vine's Expository Dictionary of New Testament Words
Idle
[ 1,,G692, argos ]denotes inactive, idle, unfruitful, barren" (a, negative, and ergon, "work;" cp. the verb katargeo, "to reduce to inactivity:" See ABOLISH); it is used
(a) literally, Matthew 20:3, Matthew 20:6; 1 Timothy 5:13 (twice); Titus 1:12, RV, "idle (gluttons);" 2 Peter 1:8, RV, "idle," AV, "barren;"
(b) metaphorically in the sense of "ineffective, worthless," as of a word, Matthew 12:36; of faith unaccompanied by works, James 2:20 (some mss. have nekra, "dead").