effortless Antonyms

effortful painful sophistical sticky strained straining strenuous stringent taxing thorny ticklish tiring toilsome tough sophistic soggy pettifogging planter plodding polygonal problematic punctilious punishing purist puzzling recondite rejective severe troublesome uphill walrus 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 wearying wildering unfathomable backbreaking grueling