VERBS
be, look, seem
ADV
extremely, very
absolutely, completely
The hotel room was completely plain, with just a bed and a single window.
fairly, quite, rather
The hotel room was quite plain, but it had everything we needed for our stay.
PHRASES
plain blue, white, etc.
She wore a plain blue dress to the job interview.
VERBS
be, look
ADV
extremely, very
The hotel room was extremely plain, with just a bed and a small desk.
rather
The hotel rooms were rather plain, but they were clean and comfortable for our stay.
VERBS
be, seem | become
make sth
The teacher made her expectations plain on the first day of class.
ADV
very
absolutely, perfectly, quite
It was quite plain that she hadn't studied for the exam when she couldn't answer any questions.
increasingly | fairly, pretty, reasonably
PREP
to
The teacher explained the difficult concept in simple terms until it became plain to all the students.
ADJ
open
The open plains stretched for miles in every direction without a single tree.
rolling, sweeping
The sweeping plains of the countryside stretched endlessly toward the distant mountains.
great, unbroken, vast | flat
fertile
The farmers settled in the fertile plain where crops grew abundantly throughout the year.
grassy | coastal
PREP
across a/the ~
The nomads traveled across the vast plain for weeks searching for water.
in a/the ~
The farmers built their village in a plain surrounded by mountains on all sides.
on a/the ~
A few scattered houses dotted the vast plain stretching toward the distant mountains.