Adjectives

(a)easyposing no difficulty; requiring little effort“an easy job”, “an easy problem”, “an easy victory”, “the house is easy to heat”, “satisfied with easy answers”, “took the easy way out of his dilemma”
(a)easyfree from worry or anxiety“knowing that I had done my best, my mind was easy”, “an easy good-natured manner”, “by the time the child faced the actual problem of reading she was familiar and at ease with all the elements words”
(s)easy, easygoing, leisurelynot hurried or forced“an easy walk around the block”, “at a leisurely (or easygoing) pace”
(s)easyaffording pleasure“easy good looks”
(s)easy, gentle, softhaving little impact“an easy pat on the shoulder”, “gentle rain”, “a gentle breeze”, “a soft (or light) tapping at the window”
(s)easyreadily exploited or tricked“an easy victim”, “an easy mark”
(s)comfortable, easy, prosperous, well-fixed, well-heeled, well-off, well-situated, well-to-doin fortunate circumstances financially; moderately rich“they were comfortable or even wealthy by some standards”, “easy living”, “a prosperous family”, “his family is well-situated financially”, “well-to-do members of the community”
(s)easy, gentlemarked by moderate steepness“an easy climb”, “a gentle slope”
(s)easyaffording comfort“soft light that was easy on the eyes”
(s)easy, light, loose, promiscuous, sluttish, wantoncasual and unrestrained in sexual behavior“her easy virtue”, “he was told to avoid loose (or light) women”, “wanton behavior”
(s)easyless in demand and therefore readily obtainable“commodities are easy this quarter”
(s)easyobtained with little effort or sacrifice, often obtained illegally“easy money”
(s)lenient, easynot strict“an easy teacher”, “easy standards”, “lenient rules”, “an easy penalty”

Adverbs

(r)easily, easywith ease (‘easy’ is sometimes used informally for ‘easily’)“she was easily excited”, “was easily confused”, “he won easily”, “this china breaks very easily”, “success came too easy”
(r)slowly, slow, easy, tardilywithout speed (‘slow’ is sometimes used informally for ‘slowly’)“he spoke slowly”, “go easy here — the road is slippery”, “glaciers move tardily”, “please go slow so I can see the sights”
(r)easy, softin a relaxed manner; or without hardship“just wanted to take it easy”, “the judge went easy on the young defendant”