solitary, isolated, apart, by yourself, unaccompanied, lonely, abandoned, desolate, forlorn
Two synonyms for vigilante are alone and isolated.
alone
alone, by myself
single,virgin,alone
Antonyms: crowded, bustling loud Synonyms: alone ,quiet,
valuable soft lousy alone sweet
Isolated and secluded are synonyms meaning alone or separated from others. Popular and well-liked are synonyms indicating something or someone that is widely accepted or admired.
solitary, alone, single, forlorn
There are several synonyms for the word 'admittance.' Access, entrance, entry, entree, ingress, pass, passage, and reception. Admittance alone implies to a procedural formal entry.
Some synonyms for the term alongside will include the following terms: abreast, afar, alone, by one's self, down, nearby, neck and neck, reserve, and near.
I could not find synonyms for 'monophobia'
They are synonyms.