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Region: General | Usage example: She crossed the Ts and dotted the Is before submitting the report.

Cross the Ts and dot the Is

Meaning

Pay close attention to every detail.

Usage

Used for proofreading or precise work.

Origin & History

Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.

Copyists made sure their small t's and i's were complete.

Medieval scribes were known for their careful lettering.