Talking (vain, foolish)
New TestamentVine's Expository Dictionary of Biblical Words
Definition
1mataiologiaG3150
a noun corresponding to the above, is used in 1Ti 1:6, RV, "vain talking" (AV, "vain jangling").
2morologiaG3473
from moros, "foolish, dull, stupid," and lego, is used in Eph 5:4; it denotes more than mere idle "talk." Trench describes it as "that 'talk of fools' which is foolishness and sin together" (Syn. xxxiv).