Pronunciation: [dˈʌlz] (IPA) 
The correct spelling of the word "dulls" is often mistaken, as people tend to add an extra "l" to the end. The IPA phonetic transcription of "dulls" is /dʌlz/, which shows that there is only one "l" at the end. This word is a verb, meaning to become less intense, vivid, or sharp. It is important to spell words correctly to ensure clear communication and understanding in written and spoken language.
Dulls is the present tense of the verb "dull." Dull, as a verb, has a few different meanings and can be used in various contexts.
One definition of dull is to make something less sharp or less intense. For example, you can dull the blade of a knife by using it on a rough surface repeatedly. Similarly, you can dull the brightness of a light by using a dimmer switch.
Dull can also mean to make something less interesting, exciting, or stimulating. If you describe a book or a movie as dull, you mean that it lacks excitement or fails to captivate your interest. Similarly, if a person's conversation or personality is dull, it implies a lack of liveliness or enthusiasm.
Additionally, dull can describe a sensation or feeling of being uninteresting, monotonous, or without intensity. For instance, if you feel dull pain, it suggests a continuous ache that is not sharp or acute. Similarly, a dull sound lacks volume or richness and may seem muted or unimpressive.
As an adjective, dull can have similar meanings, referring to something that lacks brightness, sharpness, interest, or excitement. Dull can also describe a person who is slow-witted or lacking in intelligence.
In summary, "dulls" is the present tense form of the verb "dull," which can mean to reduce sharpness or intensity, lessen interest or excitement, or describe a sensation that lacks intensity. As an adjective, dull can refer to something lacking brightness or excitement, or describe a person who is slow-witted.
The word "dulls" is derived from the Middle English word "dullen" which means "to make or become dull, blunt, or insensitive". It traces back to the Old English word "dyllan" meaning "to dull or blunt". The origins of "dulls" can be further traced to the Proto-Germanic word "duljaną" and the Proto-Indo-European root "dʰel-", both meaning "to dull or blunt".
