Robbery is a sad word. It begins with the letter R.
Forlorn
mentral
A good word meaning sad is melancholy.
A word meaning to leave out which begins with an "o" is omit.
Depression.
depressed, unhappy
In Māori, "sad" can be translated as "whakamānawa" or "pouri."
The slang word "bummed" is often used to mean sad or disappointed.
Some suffixes for the word "sad" include:sad + -en = sadden (meaning: to cause someone to be sad; to make unhappy)sad + -en + -ed = saddened (meaning: past tense of "sadden")sad + -ness = sadness (meaning: the feeling of being sad; sorrow)sad + -er = sadder (meaning: comparative of sad, "more sad")sad + -est = saddest (meaning: superlative of sad, "most sad")sad + -ly = sadly (meaning: in a sad manner; with sadness)There aren't many prefixes for sad:un- + sad + -en = unsadden (meaning: to relieve sadness; to cheer up)un- + sad + -en + -ed = unsaddened (meaning: past tense of "unsadden")
SAD
The opposite of sad and not happy is glad, meaning the same thing, but a different word.