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Definitions

question mark

[kwes-chuhn mahrk] / ˈkwɛs tʃən ˌmɑrk /
NOUN
enigma
Synonyms
STRONGEST
conundrum puzzle
STRONG
bewilderment cliffhanger crux cryptogram grabber knot mystification parable perplexity problem puzzlement puzzler question riddle secret sphinx sticker stickler stumper teaser twister why
WEAK
Gordian knot mind-boggler mind-twister sixty-four dollar question tough nut to crack

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A significant question mark is how long the Strait of Hormuz stays shut.

From The Wall Street Journal • Apr. 13, 2026

The great thing about Cher’s tweet is that it doesn’t end with a question mark.

From Salon • Mar. 22, 2026

Aston Martin are in such dire straits that there is a significant question mark about which of the two will be slowest in Melbourne.

From BBC • Feb. 27, 2026

But do you know how when you fart, it always sounds like a question mark.

From Los Angeles Times • Feb. 20, 2026

They both wore a question mark on their faces.

From "Aristotle and Dante Discover the Secrets of the Universe" by Benjamin Alire Saenz