In the days of old it was referred to as 'domestic science'. When I was at school it came under the subject called 'home economics'.
a posh word for the word big is Gargantuan.
Highfalutin
The posh word for sugar is "sucrose."
yes, its a very posh word and nobody but posh people say it anymore.
Soliloquy Resume Pontification
pish-posh
the word doff is not another word for posh. doff means to remove or take off, as clothing.
A Posh Font on MS Word is "French Script MT".
Lemonard
recreation
posh word for when the pollen from one flower reaches another
Indigent or impoverished.