solely, unrestrictedly, without regard to, respectively, by oneself, one at a time, severally, single-handed, one by one, without assistance, include, single-handedly, unaided, on an individual basis, singly, apart, without support, discretely, exclusive of, unassisted
freely (part of speech: adverb)
separately (part of speech: adverb)
- Here also he built several smaller observing rooms, so that his pupils should be able to observe independently. - "Kepler", Walter W. Bryant.
- It was State ratification alone- the ratification of the people of each State, independently of all other people- that gave force, vitality, and validity to the Constitution. - "The Rise and Fall of the Confederate Government, Vol. 1 (of 2)", Jefferson Davis.
- Moreover, they are handled by different committees that act as independently of one another as do the various executive departments. - "Community Civics and Rural Life", Arthur W. Dunn.