sad

As a noun sad

is grain; harvested seeds.

As an adjective brokenhearted is

grieved and disappointed, especially with the loss or repudiation of a romantic relationship.

As an initialism hdd

is (computing).

As a noun sad is

grain; harvested seeds.

As a verb regretted

is .

As a noun sad is

grain; harvested seeds.

As a noun sad

is grain; harvested seeds.

As an adjective joyful is

feeling or causing joy.

Sad is a related term of dicsconsolate.

As nouns the difference between sad and boy

is that sad is grain; harvested seeds while boy is .

As nouns the difference between griff and sad

is that griff is (india) griffin, (white) newcomer or griff can be (obsolete) grasp; reach or griff can be (colloquial|slang) marijuana while sad is grain; harvested seeds.

Sad is a related term of low-spirited.

As a noun sad

is grain; harvested seeds.

As an adjective low-spirited is

disheartened.

Unlit is a related term of sad.

As an adjective unlit

is not lit.

As a noun sad is

grain; harvested seeds.

As adjectives the difference between disastrous and sad

is that disastrous is of the nature of a disaster; calamitous while sad is sated, having had one's fill; satisfied, weary.

As an acronym SAD is

seasonal affective disorder.