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.

question mark

It is understood there is now a question mark over the government's financial commitment which has prompted a rethink.

From BBC ● Jul. 3, 2026

What will happen with China is also a big question mark.

From The Wall Street Journal ● Jun. 26, 2026

Washington So it’d be like 007 with a question mark: 007?

From Los Angeles Times ● Jun. 11, 2026

But to many on Wall Street, the company’s AI strategy has been a big question mark hanging over the stock.

From MarketWatch ● Jun. 6, 2026

Ever since I received the gold Flash, everything has been a question mark.

From "Split the Sky" by Marie Arnold