Meaning of the word "(as) plain as a pikestaff" in English

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

(as) plain as a pikestaff

US /əz pleɪn əz ə ˈpaɪk.stæf/
UK /əz pleɪn əz ə ˈpaɪk.stæf/
"(as) plain as a pikestaff" picture

Idiom

1.

very obvious and easy to understand

Example:
His guilt was as plain as a pikestaff.
The instructions were as plain as a pikestaff, so I don't know why he made a mistake.
Learn This Word at Lingoland