Simple or unpretentious in behaviour, manners, or expression; homely, unaffected. Now rare.

Of a person: of humble background; having a plain or simple nature; unsophisticated; rustic.

Homely; simple, plain, unsophisticated; rough, rustic.

attributive. Of or pertaining to brown bread; †figurative homely, unrefined.

(un-, prefix1 affix 2b. Cf. unsophisticated, adj.)

Designating people with an unsophisticated, rustic, or natural way of life (usually with positive connotations); unspoiled by luxury or…

Not compounded; not made up of various elements; unmixed. Of material things, their nature or qualities.

(un-, prefix1 affix 1c.)

Not sophisticated in habits, manners, or mind; natural, ingenuous, inexperienced.

Rustic; homely, unsophisticated.

figurative (from buff, n.2 3). Naked, unrefined.

Of persons, etc.: Unsophisticated, unpolished; plain and simple.

Of or relating to a rube or rubes; of the nature of or characteristic of a rube; unsophisticated; countrified.

A barrel containing crackers (sense 9); used attributively of a plain or unsophisticated outlook or point of view, or of a person with such a…

Reminiscent of home; pleasantly familiar; cosy, comfortable; unpretentious.

colloquial (derogatory). Lacking in refinement or sophistication; rural, rustic; lowbrow.