Strong's #3471: moraino (pronounced mo-rah'-ee-no)

from 3474; to become insipid; figuratively, to make (passively, act) as a simpleton:--become fool, make foolish, lose savour.

Thayer's Greek Lexicon:

́

mōrainō

1) to be foolish, to act foolishly

2a) to make foolish

2a1) to Proverbs a person or a thing foolish

2b) to make flat and tasteless

2b1) of salt that has lost its strength and flavour

Part of Speech: verb

Relation: from G3474

Citing in TDNT: 4:832, 620

Usage:

This word is used 4 times:

 

Matthew 5:13: "if the salt have lost his savor, wherewith shall it be salted? it is thenceforth"
Luke 14:34: "if the salt have lost his savor, wherewith shall it be seasoned?"
Romans 1:22: "Professing themselves to be wise, they became fools,"
1 Corinthians 1:20: "world? hath not God made foolish the wisdom of this world?"