What is a synonym for "fash"?

Common synonyms include: aggravate, annoy, badger, bait, bedevil, beset.

Fash

//fæʃ// adj, noun, verb, slang

adj, noun, verb, slang ·Moderate ·High school level

Noun

1
A worry; trouble; bother. Geordie, Northern-England, Scotland
2
A fascist, a member of the far-right. UK, derogatory, especially, slang
"The Butchers Here is an old Munich policeman — Wilhelm Frick with eyes like those of a fash."
3
The far-right, especially violent far-right demonstrators, collectively. UK, derogatory, especially, in-plural, slang
"Used to go down to London on bash-the-fash awaydays; turn up at National Front marches and give them a toeing."

Verb

1
To worry; to bother, annoy. Geordie, Northern-England, Scotland, transitive
""I wouldn't fash masel' about them, miss. Them things be all wore out.""
2
To make something fascist. slang
3
To trouble oneself; to take pains. Geordie, Northern-England, Scotland, intransitive
"“They,” said he, meaning the collops, “are such as I gave his Royal Highness in this very house; bating the lemon juice, for at that time we were glad to get the meat and never fashed for kitchen. Indeed, there were mair dragoons than lemons in my country in the year forty-six.”"
4
To ignore or forget about someone or something. Nigeria, slang

Adjective

1
Fashionable. slang
"Dan Valentine works as a bartender in a pissy and discreet Boston Village gay bar called "Bonaparte's". Clarisse is a chi-chi phruit phly who occasionally puts in time pushing real estate in fash Back Bay and the South End."