alone

1 alone /əˈloʊn/ adjective
1 alone
/əˈloʊn/
adjective
Britannica Dictionary definition of ALONE
not used before a noun
1 
a  : without anyone or anything else : not involving or including anyone or anything else : separate from other people or things
b  : without people that you know or that usually are with you
◊ If you are not alone when you do something, you are not the only person who is doing it.
2 
[more alone; most alone] : feeling unhappy because of being separated from other people
2 alone /əˈloʊn/ adverb
2 alone
/əˈloʊn/
adverb
Britannica Dictionary definition of ALONE
1 
: without help from anyone or anything else
2 
: without another — used for emphasis
3 
: without including or needing anything more

go it alone

: to do something by yourself

leave (someone or something) alone

— see 1leave

leave well enough alone

— see 1leave

let alone

— see 1let

stand alone

— see 1stand