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.
Into one place; into a single thing; combined.
It has been raining four days together
Without intermission or interruption; continuously; uninterruptedly.
At the same time, in the same place; in close association or proximity.
In a relationship or partnership, for example a business relationship or a romantic partnership.
Coherent; well organized.