A killer is a person who has killed someone, or who intends to kill someone.
The police are searching for his killers.
He's a psychopath, a killer.
Synonyms: murderer, slaughterer, slayer, hitman or woman [slang] More Synonyms of killer
2. countable noun
You can refer to something that causes death or is likely to cause death as a killer.
Heart disease is the biggest killer of men in most developed countries. [+ of]
Synonyms: cause of death, scourge, fatal illness, plague [informal] More Synonyms of killer
killer in British English
(ˈkɪlə)
noun
1.
a.
a person or animal that kills, esp habitually
b.
(as modifier)
a killer shark
2.
something, esp a task or activity, that is particularly taxing or exhausting
3. Australian and New Zealand
an animal selected to be slaughtered for food
killer in American English
(ˈkɪlər)
noun
1.
a person, animal, or thing that kills, esp. one that kills habitually or wantonly
2.
killer whale
3. Slang
something devastating, difficult, hard to cope with, etc.
4. Slang
an extremely successful, impressive, exciting, etc. person or thing
adjective
5.
that kills or has the potential for killing
a killer storm
6. Slang
very difficult, hard to cope with, etc.
7. Slang
successful, impressive, exciting, etc.
Synonyms of 'killer'
murderer, slaughterer, slayer, hitman or woman
cause of death, scourge, fatal illness, plague
More Synonyms of killer
In other languages
killer
British English: killer /ˈkɪlə/ NOUN
A killer is a person who has killed someone.
The police are searching for his killers.
American English: killer
Arabic: قاتِلٌ
Brazilian Portuguese: assassino
Chinese: 凶手
Croatian: ubojica
Czech: vrah
Danish: morder
Dutch: moordenaar
European Spanish: asesino matar
Finnish: tappaja
French: tueur
German: Mörder
Greek: φονιάς
Italian: assassino
Japanese: 殺人者
Korean: 살인자
Norwegian: drapsmann
Polish: zabójca
European Portuguese: assassino
Romanian: ucigaș
Russian: убийца
Latin American Spanish: asesino
Swedish: mördare
Thai: ผู้ฆ่า
Turkish: katil
Ukrainian: вбивця
Vietnamese: kẻ giết người
All related terms of 'killer'
bee killer
any of the predatory dipterous flies constituting the family Asilidae , which have a strong bristly body with piercing mouthparts and which prey on other insects
cow killer
a large velvet ant ( Dasymutilla occidentalis ) of the S and E U.S.: the wingless female has a powerful sting
fly killer
a device or chemical substance used to kill flying insects
germ-killer
any substance that kills microorganisms
killer app
a highly innovative , very powerful , or extremely useful computer application ; esp one sufficiently important as to justify purchase of the equipment or software
killer bee
A killer bee is a type of bee which is very aggressive and likely to attack and sting people.
killer blow
something that puts a stop to something or defeats something
killer cell
a type of white blood cell that is able to kill cells, such as cancer cells and cells infected with viruses
lady-killer
If you refer to a man as a lady-killer , you mean that you think he is very successful at attracting women but quickly leaves them.
giant killer
A giant-killer is a sportsman , sportswoman , or team that unexpectedly beats a much stronger opponent.
hunter-killer
denoting a type of naval vessel, esp a submarine , designed and equipped to pursue and destroy enemy craft
killer whale
A killer whale is a type of black and white whale.
rabbit killer
a sharp blow to the back of the neck that can cause loss of consciousness or even death
serial killer
a person who carries out a series of murders
silent killer
a disease that has no obvious symptoms or indications
category killer
a person, product , or business that dominates a particular market
contract killer
a person hired to commit a murder
killer disease
A disease is an illness which affects people, animals, or plants, for example one which is caused by bacteria or infection .
killer instinct
If you say that a sports player or politician has the killer instinct , you admire them for their toughness and determination to succeed.
passion killer
something that is sexually unattractive or inhibiting
penalty killer
a good player who, when his or her team is short-handed because of a penalty , is sent onto the ice to prevent the other side from scoring
killer application
a highly innovative , very powerful , or extremely useful computer application ; esp one sufficiently important as to justify purchase of the equipment or software
killer satellite
an orbiting satellite that can be maneuvered to approach a target satellite and destroy it by exploding
killer T-cell
a type of T-lymphocyte that is responsible for killing cells that are infected by a virus
Africanized bee
a hybrid of African and European honeybees , developed in Brazil and known for its disease resistance and superior honey production
hunter-killer submarine
a submarine designed and equipped to pursue and destroy enemy craft