plain

plain [-er] adj

OFr < L. plān-us, flat.

1. Common; unsophisticated; artless; ignorant; awkward; manifesting lack of experience in worldly matters.
2. Smooth; unbroken.
3. Unclouded; unconfused.
4. Unornamented; undecorated; unembellished; uninteresting, monotonous, ordinary.
5. Pure; solid; untinted by other colors.
6. Mere; bare.
7. Obvious; evident; clear; visible.
8. Honest; frank; undisguised.

plain adv

see plain, adj.

1. Clearly; openly; honestly; with full disclosure.
2. Modestly; humbly; simply; unpretentiously; in an unassuming manner.

plain n

OFr < L. plān-um, see plain, a.

1. Prairie; range; grassland; lowland; flat, treeless expanse of ground.
2. Battlefield; cemetery grounds; burial place.
3. [Fig.] area; place; location.
4. [Fig.] realm of nature; earth; surrounding area