Rangi Chase capped a virtuoso display with two tries as Castleford maintained their engage Super League play-off hopes at the expense of fading Hull.
Stand-off Chase was the outstanding figure as the Tigers outscored their visitors by seven tries to three at the The Jungle to move into a five-way tie for fifth place.
Most of the damage was done in the first half as Craig Huby, Michael Wainwright and Ryan Hudson found their way over after Chase's opener.
Chase scored again early in the second half, before Michael Shenton and Wainwright wrapped up only the Tigers' third home win of the season and first since March.
Hull were rarely in the game but got on the scoresheet through Willie Manu, Kirk Yeaman and Jodie Broughton.
Castleford were gifted the perfect start when Tommy Lee's wayward pass was intercepted by Chase in the fourth minute and run back for a try.
Hull struggled to deal with the dangerous Chase throughout - and the Kiwi, back in his favoured half-back role, caused more problems with a high kick that forced the visitors to drop out.
Chase almost created a second try from the resulting set of six with a delicate kick, but Dean Widders knocked on attempting to touch down.
It was of little relief to injury-hit Hull, whose patched-up side included new signing Josh Cordoba - just two days after he arrived in the country from Australia - and broken-hand victim Danny Tickle.
The visitors could not stem the tide and were 24-0 down after just 26 minutes.
Huby claimed the Tigers' second try from a Hudson kick after 16 minutes, and a third looked inevitable as Hull continued to miss tackles and allow offloads.
They managed to haul Chris Feather down close to the line. But the respite was brief, as Chase spread play wide and Brett Ferres sent Wainwright over on the left.
Hudson, returning after 12 weeks out with a broken arm, then claimed a fourth after Ryan Clayton found a hole in the Hull defence on halfway.
Joe Westerman's four goals added to Castleford's superiority, and it could have been worse for Hull had Tigers full-back Richard Owen not been denied on three occasions by refereeing decisions.
Hull at least managed to finish the first half strongly as Manu barged over from close range to score against his former club - and Tickle converted.
A Gareth Raynor break on the hooter almost yielded further points, but Cas held out and reasserted their authority through Chase after the restart.
Chase again wrong-footed the Hull defence with a burst of pace and a clever dummy to touch down out wide.
He then showed his value in defence with a brilliant tackle on Tickle, but Hull clawed back some respectability as Yeaman found his way to the line and Richard Whiting added the goal.
With more than 20 minutes remaining, Hull still had time. But any thoughts of a fightback were extinguished when Ryan McGoldrick put Shenton over with a powerful pass.
Wainwright crossed out wide, and Westerman converted to rub further salt in the wounds late on - although Broughton broke clear for a last-minute Hull consolation.