Adjective:
1: fluffy, squishy, flocculent, padded, squeezable, downy, napped, semisoft, velvety, cottony, spongelike, flaccid, salving, yielding, demulcent, downlike, cheeselike, emollient, flossy, squashy, softish, wooly, woolly, soft, fleecy, overstuffed, velvet, cushioned, cushiony, mushy, softening, brushed, compressible, spongy yielding readily to pressure or weight
2: mellow, soft compassionate and kind; conciliatory; "he was soft on his children"
3: susurrous, susurrant, euphonious, soft-footed, hushed, little, muted, low-toned, rustling, soughing, muffled, small, gentle, soft, muted, subdued, murmurous, dull, low, murmuring, quiet, whispering, soft-spoken, softened (of sound) relatively low in volume; "soft voices"; "soft music"
4: untoughened, tender, delicate, soft easily hurt; "soft hands"; "a baby's delicate skin"
5: voiced, sonant, soft produced with vibration of the vocal cords; "a frequently voiced opinion"; "voiced consonants such as `b' and `g' and `z'";
6: soft not protected against attack (especially by nuclear weapons); "soft targets"
7: pianissimo, soft, piano, pianissimo assai used chiefly as a direction or description in music; "the piano passages in the composition"
8: soft, diffused, diffuse (of light) transmitted from a broad light source or reflected
9: strident, palatal, soft, continuant, palatalised, palatalized, sibilant, fricative, spirant (of speech sounds); produced with the back of the tongue raised toward the hard palate; characterized by a hissing or hushing sound (as `s' and `sh')
10: soft, falling (of a commodity or market or currency) falling or likely to fall in value; "the market for computers is soft"
11: soft, qualitative using evidence not readily amenable to experimental verification or refutation; "soft data"; "the soft sciences"
12: indulgent, permissive, soft, lenient tolerant or lenient; "indulgent parents risk spoiling their children"; "too soft on the children"; "they are soft on crime"
13: gentle, mild, soft soft and mild; not harsh or stern or severe; "a gentle reprimand"; "a vein of gentle irony"; "poked gentle fun at him"
14: light, soft, gentle, easy having little impact; "an easy pat on the shoulder"; "gentle rain"; "a gentle breeze"; "a soft (or light) tapping at the window"
15: flaccid, unfit, soft, flabby out of condition; not strong or robust; incapable of exertion or endurance; "he was too soft for the army"; "flabby around the middle"; "flaccid cheeks"
16: conciliative, conciliatory, soft willing to negotiate and compromise
17: easygoing, soft, easy, cushy not burdensome or demanding; borne or done easily and without hardship; "what a cushy job!"; "the easygoing life of a parttime consultant"; "a soft job"
18: soft, mild, balmy, clement mild and pleasant; "balmy days and nights"; "the climate was mild and conducive to life or growth"; "a soft breeze"
19: soft, subdued, dull not brilliant or glaring; "the moon cast soft shadows"; "soft pastel colors"; "subdued lighting"
Adverb:
1: soft, cushy, easygoing, easy, soft in a relaxed manner; or without hardship; "just wanted to take it easy" (`soft' is nonstandard)