Sad. Sorrowful, mournful, dejected, gloomy, depressed, sedate, cheerless, downcast, grievous; dull, grave, dark, somber; afflicted; calamitous; serious, staid; melancholy, disconsolate, despondent, disastrous, deplorable.
Ant. Cheerful, joyous, glad, mirthful, jubilant, jovial, light-hearted; exultant, gay, exhilarated, happy, blithe.
Sagacious. Sage, sensible, keen, discerning, clear-sighted, apt, acute, intelligent, sharp, wise, rational, shrewd, able, keen-sighted, keen-witted, judicious, perspicacious, quick-scented, sharp-witted.
Ant. Obtuse, senseless, irrational, silly, stupid, simple, unintelligent, undiscerning, dull, absurd, foolish, futile, sottish, ignorant.
Sale. Bargain, barter, deal, exchange, trade, change.
Salient. Leaping, bounding, jumping; projecting; prominent, conspicuous, noticeable, significant; strategic.
Ant. Retreating, retiring, low-lying; unimportant, inconspicuous, unnoticeable, minor, inconsiderable, subordinate, insignificant.
Salvation. Saving, preservation, deliverance; redemption; rescue.
Ant. Perdition, destruction, damnation, condemnation, loss.
Sample. Specimen, example, illustration, case, instance, exemplification.