© 2026 Sloth Lingo. Learn easy. Lounge wisely.

dull

Elementary (A2)

IPA: /dʌl/

KK: /dʌl/

adjective
Definition

Not interesting or exciting; boring. It can also refer to something that is cloudy or lacking brightness.


Example

The movie was so dull that I almost fell asleep.


Comparatives & Superlatives

Comparative: duller

Superlative: dullest


Conversation
Sloth A
Did you see that movie last night?
Sloth B
Yeah, I thought it was really dull after the first half.
Sloth A
I agree! The plot just didn’t grab my attention at all.
Sloth B
Exactly, I was hoping for something more exciting.

Synonyms & Antonyms
Synonyms
bland
dreary
stale
Antonyms
exciting
bright
sharp
transitive verb
Definition

To make something less sharp or less bright; to reduce the intensity or effectiveness of something.


Example

The teacher tried to dull the students' excitement with too many rules.


Tense Forms

Past: dulled

Past Participle: dulled


Conversation
Sloth A
I think this movie might dull my excitement for the weekend.
Sloth B
Really? I thought it looked interesting!
Sloth A
Yeah, but some parts seem so slow that they could dull the fun.
Root Explanation

The word 'dull' originates from Old English 'dull', meaning blunt or not sharp. It describes something that lacks sharpness or brightness, both in a physical and metaphorical sense.

Memory Tip

Think of something that is 'not sharp' or 'blunt' — that's why we use 'dull' to describe things that lack brightness or excitement.

Visually Confused Words
ull
undull
duello
dually
dehull
bedull
Is this page helpful?
Sloth B
I guess we’ll see if it lives up to the trailer.

Synonyms & Antonyms
Synonyms
blunt
dampen
deaden
Antonyms
sharpen
brighten
stimulate