swear by

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Some people swear by this, but it takes a lot of tending.

From The Wall Street Journal • Jan. 18, 2026

“At the end of the day, the government is going to go with systems that have been deployed, where combatant commanders swear by the fact that they want one of what we have,” Mengucci said.

From Barron's • Jan. 15, 2026

Some people swear by writing a song every day and finishing it, even if it’s bad.

From Los Angeles Times • Dec. 1, 2025

All of these sports have their own history and methods; specific forms, procedures and even credos that those who take up the fight swear by.

From Salon • Oct. 4, 2025

“Tell the boy I am sorry that I will not be with him for his wedding. I will rejoin you in Westeros. That I swear, by my sweet Serra’s hands.”

From "A Dance with Dragons" by George R. R. Martin