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Meaning of killjoy
A person who spoils or ruins the enjoyment of others, often by being gloomy or pessimistic.
Etymology of killjoy
The word "killjoy" has its origins in the 17th century, derived from the phrase "kill joy," which means to destroy or ruin someone's pleasure or enjoyment.
 Historically, the term was used to describe someone who intentionally spoils the fun or enjoyment of others, often by being overly critical or pessimistic.
Synonyms
                                                spoilsport
                                                                        party pooper
                                                                        wet blanket
                                                                        downer
                                                                        buzzkill
                                                                        pessimist
                                                                        skeptic
                                                                        cynic
                                                                        depressive
                                                                        gloomy
                                                                        glum
                                                                        morose
                                                                        sullen
                                                                        sulky
                                                                        grumpy
                                                                        irritable
                                                                        cranky
                                                                        curmudgeon
                                                                        complainer
                                                                        faultfinder
                                                                        critic
                                                                        naysayer
                                                                        killjoy
                                                                        spoiler
                                                                        marplot
                                                                        prophet of doom
                                                                        doomster
                                                                        alarmist
                                                                        worrywart
                                                                        fretter
                                                                        grumbler
                                                                        malcontent
                                                                        dissatisfied person
                                                                        discontented person
                                                                        unhappy person
                                                            
            Definitions
- A person who deliberately spoils the enjoyment of others, typically by being gloomy or pessimistic.
- Someone who ruins or spoils other people's pleasure or fun, often by being too serious or critical.
Usage Examples
- The party was going great until the killjoy arrived and started complaining about the music.
- She's such a killjoy, always finding fault in everything and never wanting to have fun.
- He's a bit of a killjoy, but he's just trying to make sure everyone stays safe.
Antonyms
                                                life of the party
                                                                        socialite
                                                                        party animal
                                                                        thrill-seeker
                                                                        adventurer
                                                                        enthusiast
                                                                        optimist
                                                                        idealist
                                                                        dreamer
                                                                        romantic
                                                                        free spirit
                                                                        fun-lover
                                                                        jokester
                                                                        comedian
                                                                        entertainer
                                                                        charmer
                                                                        delight
                                                                        pleasure
                                                                        joy
                                                                        happiness
                                                                        euphoria
                                                                        elation
                                                                        thrill
                                                                        excitement
                                                                        cheer
                                                                        glee