Synonyms: single-handed
Definition: without help from others
Usage: a single-handed accomplishment
Similar words: independent
Definition: free from external control and constraint
Usage: an independent mind; a series of independent judgments; fiercely independent individualism
Synonyms: unassisted, unbacked, single-handed
Definition: unsupported by other people
Similar words: unsupported
Definition: not sustained or maintained by nonmaterial aid
Usage: unsupported accusations