Question 1

What does "hand in hand" mean?

Accepted Answer

Holding hands; or closely connected and working together.

Question 2

How do you use "hand in hand" in a sentence?

Accepted Answer

Success and hard work go hand in hand.

Question 3

Is "hand in hand" formal or informal?

Accepted Answer

"hand in hand" is register-neutral — appropriate in both casual and formal contexts. Can be literal (holding hands) or figurative (working together closely).