Noah Webster's Dictionary 1. (superl.) Slow of understanding; wanting readiness of apprehension; stupid; doltish; blockish. 2. (superl.) Slow in action; sluggish; unready; awkward. 3. (superl.) Insensible; unfeeling. 4. (superl.) Not keen in edge or point; lacking sharpness; blunt. 5. (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. 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. (v. i.) To become dull or stupid.

Multi-Version Concordance Dull (16 Occurrences) Matthew 13:15 for this people's heart has grown callous, their ears are dull of hearing, they have closed their eyes; or else perhaps they might perceive with their eyes, hear with their ears, understand with their heart, and should turn again; and I would heal them.' (WEB KJV WEY ASV WBS NAS RSV) Mark 6:52 For they had not learned the lesson taught by the loaves, but their minds were dull. (WEY) Mark 8:17 He perceived what they were saying, and He said to them, "What is this discussion of yours about having no bread? Do you not yet see and understand? Are your minds so dull of comprehension? (WEY) Acts 28:27 For this people's heart has grown callous. Their ears are dull of hearing. Their eyes they have closed. Lest they should see with their eyes, hear with their ears, understand with their heart, and would turn again, and I would heal them.' (WEB KJV WEY ASV WBS NAS RSV) Romans 2:20 a schoolmaster for the dull and ignorant, a teacher of the young, because in the Law you possess an outline of real knowledge and an outline of the truth: (WEY) 2 Corinthians 3:14 Nay, their minds were made dull; for to this very day during the reading of the book of the ancient Covenant, the same veil remains unlifted, because it is only in Christ that it is to be abolished. (WEY NIV) Hebrews 5:11 About him we have many words to say, and hard to interpret, seeing you have become dull of hearing. (WEB KJV WEY ASV DBY WBS YLT NAS RSV) Genesis 49:12 His eyes will be red with wine, his teeth white with milk. (See NAS) Leviticus 13:39 then the priest shall examine them; and behold, if the bright spots on the skin of their body are a dull white, it is a harmless rash, it has broken out in the skin; he is clean. (WEB JPS ASV RSV NIV) Job 18:3 Wherefore are we counted as beasts, And are become unclean in your sight? (See JPS) Psalms 92:6 A senseless man doesn't know, neither does a fool understand this: (See RSV) Ecclesiastes 10:10 If the iron has no edge, and he does not make it sharp, then he has to put out more strength; but wisdom makes things go well. (See NAS NIV) Isaiah 6:10 Make the hearts of this people fat, and let their ears be stopped, and their eyes shut; for fear that they may see with their eyes, and be hearing with their ears, and their heart may become wise, and they may be turned to me and made well. (See NAS NIV) Isaiah 59:1 Truly, the Lord's hand has not become short, so that he is unable to give salvation; and his ear is not shut from hearing: (See NAS RSV NIV) Jeremiah 6:10 To whom shall I speak and testify, that they may hear? behold, their ear is uncircumcised, and they cannot hearken: behold, the word of Jehovah is become unto them a reproach; they have no delight in it. (See JPS) Lamentations 4:1 How is the gold become dim! how is the most pure gold changed! The stones of the sanctuary are poured out at the head of every street. (See NIV)