Dull
Vine's Expository Dictionary of NT Words [1]
"slow, sluggish, indolent, dull" (the etymology is uncertain), is translated "dull" in Hebrews 5:11 (in connection with akoe, "hearing;" lit., "in hearings"); "sluggish," in 6:12. See Slothful , Sluggish. In the Sept., Proverbs 22:29 . Cp. nothrokardios, "slow of heart" (kardia, "the heart"), Proverbs 12:8 .
Luke 24:25 James 1:19
"heavily, with difficulty" (barus, "heavy"), is used with akouo, "to hear," in Matthew 13:15; Acts 28:27 (from Isaiah 6:10 ), lit., "to hear heavily, to be dull of hearing." In the Sept., Genesis 31:35 (lit., "bear it not heavily"); Isaiah 6:10 .
King James Dictionary [2]
DULL, a. G.
1. Stupid doltish blockish slow of understanding as a lad of dull genius. 2. Heavy sluggish without life or spirit as a surfeit leaves a man very dull. 3. Slow of motion sluggish as a dull stream. 4. Slow of hearing or seeing as dull of hearing dull of seeing. 5. Slow to learn or comprehend unready awkward as a dull scholar. 6. Sleepy drowsy. 7. Sad melancholy. 8. Gross cloggy insensible as the dull earth. 9. Not pleasing or delightful not exhilarating cheerless as, to make dictionaries is dull work. 10. Not bright or clear clouded tarnished as, the mirror is dull. 11. Not bright not briskly burning as a dull fire.
12Dim obscure not vivid as a dull light.
13. Blunt obtuse having a thick edge as a dull knife or ax. 14. Cloudy overcast not clear not enlivening as dull weather. 15. With seamen, being without wind as, a ship has a dull time. 16. Not lively or animated as a dull eye.
DULL,
1. To make dull to stupify as, to dull the senses. 2. To blunt as, to dull a sword or an ax. 3. To make sad or melancholy. 4. To hebetate to make insensible or slow to perceive as, to dull the ears to dull the wits. 5. To damp to render lifeless as, to dull the attention. 6. To make heavy or slow of motion as, to dull industry. 7. To sully to tarnish or cloud as, the breath dulls a mirror.
DULL, To become dull or blunt to become stupid.
Webster's Dictionary [3]
(1): ( superl.) Not bright or clear to the eye; wanting in liveliness of color or luster; not vivid; obscure; dim; as, a dull fire or lamp; a dull red or yellow; a dull mirror.
(2): ( superl.) Slow of understanding; wanting readiness of apprehension; stupid; doltish; blockish.
(3): ( superl.) Insensible; unfeeling.
(4): ( superl.) Not keen in edge or point; lacking sharpness; blunt.
(5): ( v. i.) To become dull or stupid.
(6): ( superl.) Heavy; gross; cloggy; insensible; spiritless; lifeless; inert.
(7): ( superl.) Furnishing little delight, spirit, or variety; uninteresting; tedious; cheerless; gloomy; melancholy; depressing; as, a dull story or sermon; a dull occupation or period; hence, cloudy; overcast; as, a dull day.
(8): ( v. t.) To deprive of sharpness of edge or point.
(9): ( v. t.) To make dull, stupid, or sluggish; to stupefy, as the senses, the feelings, the perceptions, and the like.
(10): ( v. t.) To render dim or obscure; to sully; to tarnish.
(11): ( v. t.) To deprive of liveliness or activity; to render heavy; to make inert; to depress; to weary; to sadden.
(12): ( superl.) Slow in action; sluggish; unready; awkward.