In a natural, untreated state. / Characterized by simplicity, especially something not carefully or expertly made. / Lacking concealing elements. / Lacking tact or taste. / (archaic) Immature or unripe.

Any substance in its natural state. / Crude oil.

(uncountable) The state of being crude / (countable) A crude act or characteristic.

In a crude manner.

plural of crude

plural of crudeness

Unrefined oil; as it is found underground, consisting mainly of hydrocarbons.

(botany) The sap of a plant that rises from the roots to the leaves.

plural of crude form

(grammar, rare) the uninflected form or stem of a word