greedy = rapacious
accurate = precise, exact
primary = radical, fundamental
hard-working = assiduous
difficult = arduous
big = massive, colossal, tremendous
quiet = tranquil, serene
luxurious = lavish
boring = tedious
cold = chilly, icy
hot = boiling
dangerous = perilous, hazardous
obvious = apparent
appear = emerge
whole = entire
wet = moist, damp, humid
difficult = formidable
careful = cautious, prudent
rich= affluent
ugly = hideous
attractive = appealing, absorbing
diverse = miscellaneous
ordinary = mundane
best = optimal
possible = feasible
important = crucial, significant
abundant = ample
fragile = brittle, vulnerable