Strong G3640ὀλιγόπιστος

of little faith

Definition

From G3641 and G4102; incredulous that is lacking confidence (in Christ): - of little faith.

ὀλιγό-πιστος, -ον
of little faith or trust: Mat.6:30 8:26 14:31 16:8, Luk.12:28.†
(AS)

Strong G3640 appears in 5 verses of the KJV.

Matthew 6:30
Wherefore, if God so clothe the grass of the field, which to day is, and to morrow is cast into the oven, shall he not much more clothe you, O ye of little faith?
Matthew 8:26
And he saith unto them, Why are ye fearful, O ye of little faith? Then he arose, and rebuked the winds and the sea; and there was a great calm.
Matthew 14:31
And immediately Jesus stretched forth his hand, and caught him, and said unto him, O thou of little faith, wherefore didst thou doubt?
Matthew 16:8
Which when Jesus perceived, he said unto them, O ye of little faith, why reason ye among yourselves, because ye have brought no bread?
Luke 12:28
If then God so clothe the grass, which is to day in the field, and to morrow is cast into the oven; how much more will he clothe you, O ye of little faith?

Detailed Greek dictionary

ὀλῐγό-πιστος, ον,
of little faith, [NT (NT.Matt.8.26, +others, Sextus Pythagoreus “Sent.” 6.)]