Synonyms of the word

sad

• adj. (heading) Emotionally negative.
• adj. (obsolete) Sated, having had one's fill; satisfied, weary.
• adj. (obsolete) Steadfast, valiant.
• adj. (obsolete) Dignified, serious, grave.
• adj. (obsolete) Naughty; troublesome; wicked.
• adj. (slang) Unfashionable; socially inadequate or undesirable.
• adj. (dialect) Soggy (to refer to pastries).
• adj. (obsolete) Heavy; weighty; ponderous; close; hard.

bad

• adj. Not good; unfavorable; negative.
• adj. Not suitable or fitting.
• adj. Seemingly non-appropriate, in manners, etc.
• adj. Unhealthy.
• adj. Tricky; stressful; unpleasant.
• adj. Evil; wicked.
• adj. Faulty; not functional.
• adj. (of food) Spoiled, rotten, overripe.
• adj. (of breath) Malodorous, foul.
• adj. (informal) Bold and daring.
• adj. (hip-hop slang) good, superlative.
• adj. (of a need or want) Severe, urgent.
• adv. (now colloquial) Badly.
• n. (slang) Error, mistake.
• n. (countable, uncountable, economics) An item (or kind of item) of merchandise with negative value; an unwanted…
• adj. (slang) Fantastic.
• v. (archaic) Alternative past tense of bid. See bade.
• v. (Britain, dialect, transitive) To shell (a walnut).

bittersweet

• adj. Both bitter and sweet.
• adj. Expressing contrasting emotions of pain and pleasure.
• adj. Of bittersweet color.
• n. Bittersweetness.
• n. A vine, of the genus Celastrus, having small orange fruits that open to reveal red seeds.
• n. The bittersweet nightshade, Solanum dulcamara.
• n. A variety of apple with a bittersweet taste.
• n. Any variety of clam in the family Glycymerididae.
• n. A pinkish-orange color.

deplorable

• adj. Deserving strong condemnation; shockingly bad, wretched.
• adj. Lamentable, to be felt sorrow for, worthy of compassion.
• n. A person or thing that is to be deplored.

depressing

• adj. Causing depression or sadness.
• adj. Causing a reduction in economic activity.
• v. present participle of depress.

depressive

• adj. Causing depression; dispiriting.
• adj. Affected by depression, depressed; dispirited; melancholic.
• adj. Relative to, characteristic of depression.
• n. A person suffering from depression.

distressing

• adj. Causing distress; upsetting.
• v. present participle of distress.

doleful

• adj. Filled with grief, mournful, bringing feelings of sadness.

gloomy

• adj. Imperfectly illuminated; dismal through obscurity or darkness; dusky; dim; clouded.
• adj. Affected with, or expressing, gloom; melancholy; dejected.

heavyhearted

• adj. Alternative form of heavy-hearted.

lamentable

• adj. Causing sorrow, distress or regret; deplorable, pitiful or distressing.

melancholic

• adj. Filled with or affected by melancholy—great sadness or depression, especially of a thoughtful or introspective…
• n. A person who is habitually melancholy.

melancholy

• adj. Affected with great sadness or depression.
• n. (historical) Black bile, formerly thought to be one of the four "cardinal humours" of animal bodies.
• n. Great sadness or depression, especially of a thoughtful or introspective nature.

mournful

• adj. Filled with grief or sadness; being in a state in which one mourns.
• adj. Fit to inspire mourning; tragic.

pensive

• adj. Having the appearance of deep, often melancholic, thinking.
• adj. Looking thoughtful, especially from sadness.

pitiful

• adj. (now rare) Feeling pity; merciful.
• adj. So appalling or sad that one feels or should feel sorry for it; eliciting pity.
• adj. Very small (of an amount or number).

saddening

• v. present participle of sadden.
• adj. Causing sadness.

sorrowful

• adj. (of a person) Full of sorrow; exhibiting sorrow; sad; dejected; distressed; distraught.
• adj. Producing sorrow; exciting grief; mournful; lamentable; grievous.

sorry

• adj. (of a person) Regretful for an action; grieved or saddened, especially by the loss of something or someone.
• adj. Poor, sad or regrettable.
• interj. Expresses regret, remorse, or sorrow.
• interj. Used as a request for someone to repeat something not heard or understood clearly.
• interj. Used to correct oneself in speech.
• n. The act of saying sorry; an apology.

tragic

• adj. Causing great sadness or suffering.
• adj. Relating to tragedy in a literary work.
• adj. (in tabloid newspapers) Involved in a tragedy.
• n. (Australia, colloquial) An obsessive fan, a superfan.
• n. (obsolete) A writer of tragedy.
• n. (obsolete) A tragedy; a tragic drama.

tragical

• adj. (archaic) tragic.

tragicomic

• adj. Of, pertaining to, or resembling tragicomedy in having both tragic and comic aspects.

tragicomical

• adj. Having the characteristics of a tragicomedy.

wistful

• adj. Full of yearning or longing.
• adj. Sad and thoughtful.