dotted line

American  

noun

1. a line on a contract or similar document for a party's signature.

2. a line at which a sheet of paper is perforated or a piece of it is to be detached.

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idioms

1. sign on the dotted line, to agree fully to terms or conditions.

2. signature on the dotted line, full agreement to terms and conditions.

dotted line British  

noun

1. a line of dots or dashes on a form or document

2. to agree formally, esp by signing one's name on a document

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Etymology

Origin of dotted line

First recorded in 1770–75

Example Sentences

Well the dotted line is the 2024 General Election.

From BBC • Jan. 17, 2026

Others reading your story should know whether their financial adviser is a fiduciary or whether they’re receiving commissions before they sign on the dotted line.

From MarketWatch • Jan. 5, 2026

Discovery WBD -2.39%decrease; red down pointing triangle sent a message to Larry Ellison: If you want to buy our company, sign on the dotted line yourself.

From The Wall Street Journal • Dec. 18, 2025

That means, people walk into recruiting offices and sign on the dotted line to potentially serve in combat, risking their lives in the service of the country.

From Salon • Nov. 12, 2024

She drew a dotted line between the two X’s.

From "The Son of Neptune" by Rick Riordan