more difficult

ambitious arduous burdensome challenging crucial demanding laborious onerous painful problematic severe strenuous tough troublesome

backbreaker bothersome difficile easier said than done effortful exacting formidable galling gargantuan hard-won heavy herculean immense intricate irritating labored no picnic not easy operose problem prohibitive rigid stiff titanic toilsome trying unyielding uphill upstream wearisome

easy effortless facile helpful nice trivial

calm free friendly manageable plain simple sociable straightforward uncomplicated

complex confusing delicate troublesome

abstract abstruse baffling bewildering confounding dark deep enigmatic enigmatical entangled esoteric formidable hard to explain hard to solve hidden inexplicable intricate involved knotty labyrinthine loose meandering mysterious mystical mystifying nice obscure obstinate paradoxical perplexing problematical profound puzzling rambling subtle tangled thorny ticklish unclear unfathomable unintelligible vexing

clear easy

calm free friendly manageable plain simple sociable straightforward uncomplicated

demanding grim intractable tough troublesome

argumentative bearish boorish dark fastidious finicky fractious fussy hard to please impolite irritable oafish obstreperous perverse picky refractory rigid rude tiresome trying unaccommodating unamenable

easy facile nice

calm free friendly manageable plain simple sociable straightforward uncomplicated