operose Meaning and Definition
Object reference not set to an instance of an object.
Synonyms Gargantuan ambitious arduous backbreaking ball-buster bothersome burdensome challenging crucial demanding difficile effortful exacting formidable galling hard hard-won heavy herculean immense intricate irritating labored laborious man-sized no picnic not easy onerous operose painful problem problematic prohibitive rigid severe stiff strenuous titanic toilsome tough troublesome trying unyielding uphill upstream wearisome
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