groundbreaking Antonyms

uninteresting unchangeable unchanging wearisome worn trite traditional tiresome tiring stale stagnant spiritless shabby rudimentary unadventurous hard hat outmoded unspectacular unimposing unexciting unimaginative uncreative traditionalistic unoriginal old guard out-of-date undeveloped underdeveloped unprogressive nonprogressive old style repetitive rancid primitive corny conventional constant conservative commonplace characterless boring banal backwards backward archaic antique antiquated antediluvian customary dated