farthing /ˈfɑː(ɹ).ðɪŋ/noun 4forms 1phrases 2 noun4 •(historical) Former British unit of currency worth one-quarter of an old penny; or a coin representing this. •(figurative) A very small quantity or value; the least possible amount. •(no longer used, historical) A quarter of any monetary unit or measure. •(no longer used) A division of land. formsfarthings Phrases with farthing brass farthingSomething worthless or of small value; a whit or jot. not worth a brass farthingWorth nothing or next to nothing.