Question 1

What does "a double-edged sword" mean?

Accepted Answer

Something that has both positive and negative consequences.

Question 2

How do you use "a double-edged sword" in a sentence?

Accepted Answer

Social media is a double-edged sword — it connects people but can also spread misinformation.

Question 3

Is "a double-edged sword" formal or informal?

Accepted Answer

"a double-edged sword" is register-neutral — appropriate in both casual and formal contexts. Used in discussions about trade-offs and complex situations.