alone - adjective

• isolated from others
• lacking companions or companionship
• exclusive of anyone or anything else
• radically distinctive and without equal

alone - adverb

• without any others being included or involved
• without anybody else or anything else

alone - thesaurus

entirely   exclusively   lone   lonely   only   solely   solitary   solo   unaccompanied   unequaled   unequalled   unique   unparalleled