Meaning of the word "(as) straight as a ramrod" in English

What does "(as) straight as a ramrod" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

(as) straight as a ramrod

US /əz ˈstreɪt əz ə ˈræm.rɑːd/
UK /əz ˈstreɪt əz ə ˈræm.rɒd/
"(as) straight as a ramrod" picture

Idiom

very straight, especially with reference to a person's posture

Example:
He stood as straight as a ramrod, looking at the general.
Her back was as straight as a ramrod, even after hours of sitting.