Definition of Dull

1. Verb. Make dull in appearance. "Age had dulled the surface"

Generic synonyms: Alter, Change, Modify



2. Adjective. Lacking in liveliness or animation. "Fell back into one of her dull moods"

3. Verb. Become dull or lusterless in appearance; lose shine or brightness. "The varnished table top dulled with time"
Generic synonyms: Change

4. Adjective. Emitting or reflecting very little light. "A dull sky"

5. Verb. Deaden (a sound or noise), especially by wrapping.
Exact synonyms: Damp, Dampen, Muffle, Mute, Tone Down
Generic synonyms: Soften
Derivative terms: Damper, Muffler, Muffler, Mute

6. Adjective. Being or made softer or less loud or clear. "Muted trumpets"
Exact synonyms: Muffled, Muted, Softened
Similar to: Soft

7. Verb. Make numb or insensitive. "The performance is likely to dull Sue"; "The shock numbed her senses"
Exact synonyms: Benumb, Blunt, Numb
Generic synonyms: Desensitise, Desensitize

8. Adjective. So lacking in interest as to cause mental weariness. "Other people's dreams are dreadfully wearisome"

9. Verb. Make dull or blunt. "Too much cutting dulls the knife's edge"
Exact synonyms: Blunt
Generic synonyms: Alter, Change, Modify
Antonyms: Sharpen

10. Adjective. (of color) very low in saturation; highly diluted. "Dull greens and blues"
Similar to: Unsaturated
Derivative terms: Dullness

11. Verb. Become less interesting or attractive.
Exact synonyms: Pall
Generic synonyms: Change
Derivative terms: Dullard

12. Adjective. Not keenly felt. "Dull pain"
Similar to: Deadened
Derivative terms: Dullness
Antonyms: Sharp

13. Verb. Make less lively or vigorous. "Middle age dulled her appetite for travel"
Generic synonyms: Weaken
Specialized synonyms: Cloud

14. Adjective. Slow to learn or understand; lacking intellectual acuity. "Worked with the slow students"
Exact synonyms: Dense, Dim, Dumb, Obtuse, Slow
Similar to: Stupid
Derivative terms: Denseness, Dullness, Dumbness, Obtuseness, Slowness, Slowness

15. Adjective. (of business) not active or brisk. "A sluggish market"
Exact synonyms: Slow, Sluggish
Category relationships: Business, Business Enterprise, Commercial Enterprise
Similar to: Inactive
Derivative terms: Sluggishness

16. Adjective. Not having a sharp edge or point. "The knife was too dull to be of any use"
Similar to: Blunt, Blunted, Dulled, Edgeless, Unsharpened
Derivative terms: Dullness
Antonyms: Sharp

17. Adjective. Blunted in responsiveness or sensibility. "So exhausted she was dull to what went on about her"
Similar to: Insensitive
Derivative terms: Dullness

18. Adjective. Not clear and resonant; sounding as if striking with or against something relatively soft. "Thudding bullets"
Exact synonyms: Thudding
Similar to: Nonresonant, Unreverberant

19. Adjective. Darkened with overcast. "The sky was leaden and thick"
Exact synonyms: Leaden
Similar to: Cloudy
Derivative terms: Dullness

Definition of Dull

1. a. Slow of understanding; wanting readiness of apprehension; stupid; doltish; blockish.

2. v. t. To deprive of sharpness of edge or point.

3. v. i. To become dull or stupid.

Definition of Dull

1. Adjective. Lacking the ability to cut easily; not sharp. ¹

2. Adjective. Boring; not exciting or interesting. ¹

3. Adjective. Not shiny; having a matte finish or no particular luster. ¹

4. Adjective. Not bright or intelligent; stupid; slow of understanding. ¹

5. Verb. (transitive) To render dull; to remove or blunt an edge or something that was sharp. ¹

6. Verb. (transitive) To soften, moderate or blunt. ¹

7. Verb. (intransitive) To lose a sharp edge; to become dull. ¹

¹ Source: wiktionary.com

Definition of Dull

1. mentally slow [adj DULLER, DULLEST] / to make less sharp [v -ED, -ING, -S]

Medical Definition of Dull

1. 1. Slow of understanding; wanting readiness of apprehension; stupid; doltish; blockish. "Dull at classical learning." "She is not bred so dull but she can learn." (Shak) 2. Slow in action; sluggish; unready; awkward. "This people's heart is waxed gross, and their ears are dull of hearing." (Matt. Xiii. 15) "O, help my weak wit and sharpen my dull tongue." (Spenser) 3. Insensible; unfeeling. "Think me not So dull a devil to forget the loss Of such a matchless wife." (Beau. & Fl) 4. Not keen in edge or point; lacking sharpness; blunt. "Thy scythe is dull." 5. Not bright or clear to the eye; wanting in liveliness of colour or luster; not vivid; obscure; dim; as, a dull fire or lamp; a dull red or yellow; a dull mirror. 6. Heavy; gross; cloggy; insensible; spiritless; lifeless; inert. "The dull earth." "As turning the logs will make a dull fire burn, so changes of study a dull brain." (Longfellow) 7. 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. "Along life's dullest, dreariest walk." (Keble) Synonym: Lifeless, inanimate, dead, stupid, doltish, heavy, sluggish, sleepy, drowsy, gross, cheerless, tedious, irksome, dismal, dreary, clouded, tarnished, obtuse. See Lifeless. Origin: AS. Dol foolish; akin to gedwelan to err, D. Dol mad, dwalen to wander, err, G. Toll mad, Goth. Dwals foolish, stupid, cf. Gr. Turbid, troubled, Skr. Dhvr to cause to fall. Cf. Dolt, Dwale, Dwell, Fraud. Source: Websters Dictionary (01 Mar 1998)

Dull Pictures

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Lexicographical Neighbors of Dull

dulcitol
dulcitols
dulcitude
dulcitudes
dulcorate
dulcoration
dulcose
dulcoses
dulcour
dule
duledge
duledges
dules
dulia
dulias
dull (current term)
dull-minded
dull-witted
dull as dishwater
dull as ditchwater
dullard
dullardry
dullards
dulled
duller
dullest
dullhead
dullheads
dullier
dulliest

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