cross t's

cross (one's) t's

To do something carefully and make sure that every last minor detail is completed. Please make sure to cross your t's when signing this contract. I made sure to cross my t's when installing the circuit breaker—you can never be too careful with electrical work. I sure hope the developers crossed their t's this time because we can't afford to release another buggy update.

See also: cross

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

cross (one's) t's

To be thorough or painstaking in attending to details.

See also: cross

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.