Receiving others kindly and conversing with them in a free and friendly manner; friendly, courteous, sociable.
Mild; benign.
In a natural, untreated state.
Characterized by simplicity, especially something not carefully or expertly made.
Lacking tact or taste.
Lacking concealing elements.
Pertaining to the uninflected stem of a word.
Any substance in its natural state.
Crude oil.