effortless Antonyms

effortful overscrupulous sophistical sticky strained straining strenuous stringent taxing thorny ticklish tiring toilsome tough sophistic soggy severe painful pettifogging planter plodding polygonal problematic punctilious punishing purist puzzling recondite rejective troublesome uphill multifaceted faultfinding casuistical all fingers and thumbs pernickety picky easier said than done fiddly no picnic supercritical time-consuming like getting blood out of a stone lockstep brain surgery persnickety walrus wearying wildering unfathomable