Plain

/pleɪn/

Meaning & Definition

noun
A large area of flat land.
The vast plains of Africa are home to many unique species.
adjective
Not decorated or elaborate; simple or basic.
The dress she wore was plain, with no embellishments.
Clear to see or understand; obvious.
It was plain that she was upset about the news.
Of a person or thing, lacking special or distinctive features.
He was a plain man, with no particular style or flair.
Relating to a flat, level area of land.
They decided to have their picnic on the plain, away from the hills.
adverb
In a clear or straightforward manner.
She stated her opinion plain and simple.

Etymology

Middle English, from Old French 'plain', from Latin 'planus' meaning 'flat, level'.

Common Phrases and Expressions

plain as day
Very clear or obvious.
plain sailing
Easy and uncomplicated progress.
plain Jane
An unadorned or unattractive woman.
plain and simple
Clearly and simply stated.

Related Words

plainness
The quality of being unadorned or simple.
plainly
In a clear and straightforward manner.
plains
Extensive areas of flat land.

Slang Meanings

Used to describe something boring or unexciting.
That movie was just plain.
Referring to someone who is not stylish or fashionable.
She looked plain compared to her friends.