Not derived from another of the same type
Of or pertaining to or harking back to a former time; old-fashioned; characterized by simplicity.
Occurring in or characteristic of an early stage of development or evolution.
Crude, obsolete.
Original; primary; radical; not derived.
Of or pertaining to the beginning or origin, or to early times; original; primordial; primeval; first.
An original or primary word; a word not derived from another, as opposed to derivative.
A simple-minded person.
A data type that is built into the programming language, as opposed to more complex structures.
A basic geometric shape from which more complex shapes can be constructed.
Any of the simplest elements (instructions, statements, etc.) available in a programming language.
A member of a primitive society.
A function whose derivative is a given function; an antiderivative.
Homogenous.
Consisting of a single individual or zooid; not compound.
Consisting of one single substance; uncompounded.
Undistinguished in social condition; of no special rank.
Without ornamentation; plain.
Free from duplicity; guileless, innocent, straightforward.
Of a group: having no normal subgroup.
Feeble-minded; foolish.
Using steam only once in its cylinders, in contrast to a compound engine, where steam is used more than once in high-pressure and low-pressure cylinders.
Not compound, but possibly lobed.
Uncomplicated; taken by itself, with nothing added.
Part of the apparatus for raising the heddles of a drawloom.
A herbal preparation made from one plant, as opposed to something made from more than one plant.
A feast which is not a double or a semidouble.
A drawloom.
A simple or atomic proposition.