I can be signed, yet I hold no pen, and once I exist, I can’t be undone. What am I?

Category: Wordplay · Difficulty: expert

Hint: Think of something that outlines obligations.

Answer

A contract

Explanation

A contract can be signed as an agreement, exists as a concept, but cannot be physically undone.

This is a expert wordplay riddle — one of the harder riddles here. The answer is A contract.

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