Hush-hush
Part of speech: adjective
Definition: Secret, not spoken of (or spoken of only in hushed whispers between insiders).
Surreptitious
Part of speech: adjective
Definition: stealthy, furtive, well hidden, covert (especially movements)
Difference between Hush-hush and Surreptitious
What is the difference between Hush-hush and Surreptitious?
Hush-hush as an adjective is secret, not spoken of (or spoken of only in hushed whispers between insiders). while Surreptitious as an adjective is stealthy, furtive, well hidden, covert (especially movements)
We hope you now know whether to use Hush-hush or Surreptitious in your sentence.