plain
US /pleɪn/
UK /pleɪn/

1.
sencillo, ordinario, claro
not decorated or elaborate; simple or ordinary in character
:
•
She prefers plain clothes without any patterns.
Ella prefiere ropa sencilla sin estampados.
•
The instructions were written in plain language.
Las instrucciones estaban escritas en lenguaje sencillo.
2.
3.
sencillo, poco atractivo
(of a woman) not beautiful or attractive
:
•
She was a rather plain woman, but very kind.
Era una mujer bastante sencilla, pero muy amable.
•
Despite her plain appearance, she had a captivating personality.
A pesar de su apariencia sencilla, tenía una personalidad cautivadora.
1.
llanura, planicie
a large area of flat land with few trees
:
•
The pioneers crossed the vast plains in their wagons.
Los pioneros cruzaron las vastas llanuras en sus carretas.
•
Wild horses roamed freely across the grassy plains.
Los caballos salvajes deambulaban libremente por las llanuras cubiertas de hierba.
1.
claramente, sencillamente
in a simple, clear, or straightforward manner
:
•
He spoke plainly and directly, leaving no room for misunderstanding.
Habló claramente y directamente, sin dejar lugar a malentendidos.
•
Tell me plainly what you want.
Dime claramente lo que quieres.