adjective common · everyday

curious

KYUU-ree-uhs kyuu·ree·uhs 3 syllables

Tending to ask questions, or to want to explore or investigate; inquisitive; (with a negative connotation) nosy, prying.

Word facts

Part of speech adjective
Syllables 3
Letters 7
Scrabble® points 9
Starts with C
Level common
Usage everyday

Definition of Curious

Leading one to ask questions about; somewhat odd, out of the ordinary, or unusual.

Example sentences

  1. Young children are naturally curious about the world and everything in it.

  2. The platypus is a curious creature, with fur like a mammal and a beak like a bird.

Using Curious well

A closer look at how curious is used — meaning in plain English, how close synonyms differ, and examples at different levels.

Meaning in everyday English

Eager to learn or know more about things; or, in another sense, strange and hard to explain.

When to use it

Use it for a keen desire to find out or explore, which is usually a positive trait. It can also flag something odd or puzzling, as in a curious noise, so let context show which meaning you mean.

Common context

Talk about children, learners, and researchers; descriptions of an inquiring mind; and, in its other sense, storytelling and reports noting something strange or unexpected.

Watch out

Curious has two distinct senses — eager to learn, and strange — so 'a curious child' (inquisitive) and 'a curious smell' (odd) use the same word very differently.

Synonyms by tone or intensity
inquisitive
Close in meaning but hints more at asking lots of questions, sometimes prying into things that aren't your business.
nosy
Clearly negative; accuses someone of prying into private matters rather than showing healthy curiosity.
inquiring
Neutral and slightly formal, as in an inquiring mind; emphasizes a habit of seeking knowledge.
intrigued
Describes curiosity sparked by one particular fascinating thing, rather than a lasting personality trait.
probing
Suggests deliberate, searching inquiry, often into difficult or sensitive subjects; more pointed than curious.
Antonyms by tone
indifferent
Signals a flat lack of interest, neither wanting to know nor caring.
incurious
The precise formal opposite: showing no wish to learn or ask.
uninterested
Plainly states no interest, without the aloof edge that indifferent can carry.
Examples by level
  • Beginner The curious cat looked inside the open box.
  • In writing She was curious by nature, the kind of reader who checks every footnote just to see where it leads.
  • Advanced It is a curious fact that the busiest streets often fall silent first at night, as if the city exhausts itself.
Memory tip

Curious shares its start with 'cure' — a curious mind wants to cure its not-knowing.

Synonyms for Curious

peculiarinquisitivestrangeunusualqueersingular

Related words

Words closely connected to Curious in meaning or use:

questioningwonderingovercuriousinterestedspeculative

Words that rhyme with Curious

spuriousfuriousinjuriousuraeusmurias

Find more rhymes for curious

Try Curious in the word tools

Browse words near Curious

Explore more words that start with the letter C in Word Explorer, or use the A-Z browser to discover other vocabulary starting from any letter.

FAQ

Questions people ask

What does curious mean?

Tending to ask questions, or to want to explore or investigate; inquisitive; (with a negative connotation) nosy, prying. It is an adjective.

How many syllables does curious have?

There are 3 syllables in curious, divided as kyuu·ree·uhs when spoken.

What part of speech is curious?

In a sentence, curious functions as an adjective. As an adjective, it describes or modifies a noun.

What are synonyms for curious?

Close in meaning to curious are peculiar, inquisitive, strange, unusual — choose the one whose tone fits your sentence.

How do you use curious in a sentence?

Example: "Young children are naturally curious about the world and everything in it."