Green’s Dictionary of Slang

very much, absolutely, wholly.

2015		I. Welsh Decent Ride 68: Ye goat ching? [...] Ah pure wants tae dae a line.
2019		A. Killilea Boyo-wulf at https://boyowulf.home.blog 20 Mar. 🌐 Well we’ve all heard of those pure daycent kings of the Spear-Danes from donkeys’ years.
2020		G. Armstrong Young Team 19: Their two tap boys [...] geein it traight back, pure bold cunts.
2021		L. McInerney Rules of Revelation 231: ‘This house is pure empty when shit needs doing, isn’t it?’ Mel said.