Sad, v. t. To make sorrowful; to sadden. [Obs.]

How it sadded the minister's spirits!
H. Peters.

Sad (săd), a. [Compar. Sadder (?); supperl. Saddest.] [OE. sad sated, tired, satisfied, firm, steadfast, AS. sæd satisfied, sated; akin to D. zat, OS. sad, G. satt, OHG. sat, Icel. saðr, saddr, Goth. saþs, Lith. sotus, L. sat, satis, enough, satur sated, Gr. 'a`menai to satiate, 'a`dnh enough. Cf. Assets, Sate, Satiate, Satisfy, Satire.] 1. Sated; satisfied; weary; tired. [Obs.]

Yet of that art they can not waxen sad,
For unto them it is a bitter sweet.

2. Heavy; weighty; ponderous; close; hard. [Obs., except in a few phrases; as, sad bread.]

His hand, more sad than lump of lead.

Chalky lands are naturally cold and sad.

3. Dull; grave; dark; somber; -- said of colors. "Sad-colored clothes." Walton.

Woad, or wade, is used by the dyers to lay the foundation of all sad colors.

4. Serious; grave; sober; steadfast; not light or frivolous. [Obs.] "Ripe and sad courage." Chaucer.

Lady Catharine, a sad and religious woman.

Which treaty was wisely handled by sad and discrete counsel of both parties.
Ld. Berners.

5. Affected with grief or unhappiness; cast down with affliction; downcast; gloomy; mournful.

First were we sad, fearing you would not come;
Now sadder, that you come so unprovided.

The angelic guards ascended, mute and sad.

6. Afflictive; calamitous; causing sorrow; as, a sad accident; a sad misfortune.

7. Hence, bad; naughty; troublesome; wicked. [Colloq.] "Sad tipsy fellows, both of them." I. Taylor.

Sad is sometimes used in the formation of self- explaining compounds; as, sad-colored, sad-eyed, sad-hearted, sad-looking, and the like.

Sad bread, heavy bread. [Scot. & Local, U.S.] Bartlett.

Syn. -- Sorrowful; mournful; gloomy; dejected; depressed; cheerless; downcast; sedate; serious; grave; grievous; afflictive; calamitous.