By oneself, solitary.
Lacking peers who share one's beliefs, experiences, practices, etc.
Not requiring anything further; merely.
By oneself; apart from, or exclusive of, others; solo.
Without outside help.
Used to emphasize the size or extent of something by selecting a subset.
Not permitting anything further; exclusively.
Mentally dull; stupid.
Unable to bear children; sterile.
Of poor fertility, infertile; not producing vegetation.
Bleak.
Unproductive; fruitless; unprofitable; empty.
An area of low fertility and habitation, a desolate place.