1 n-uncount Blood is the red liquid that flows inside your body, which you can see if you cut yourself.
2 n-uncount You can use blood to refer to the race or social class of someone's parents or ancestors.
usu supp N
There was Greek blood in his veins...
3 If you say that there is bad bloodbetween people, you mean that they have argued about something and dislike each other.
bad blood phrase oft PHR between pl-n
There is, it seems, some bad blood between Mills and the Baldwins.
4 If you say that something makes your blood boil, you are emphasizing that it makes you very angry.
make one's blood boil phrase V inflects (emphasis)
It makes my blood boil to think two thugs decided to pick on an innocent young girl.
5 If something violent and cruel is done in cold blood, it is done deliberately and in an unemotional way.
in cold blood phrase PHR after v (disapproval)
The crime had been committed in cold blood.
6 If you say that something makes your blood run cold or makes your blood freeze, you mean that it makes you feel very frightened.
make one's blood run cold/make one's blood freeze phrase V inflects (emphasis)
The rage in his eyes made her blood run cold..., He could hear a sudden roaring. His blood froze.
7 If you say that someone has a person's blood on their hands, you mean that they are responsible for that person's death.
blood on one's hands phrase
He has my son's blood on his hands. I hope it haunts him for the rest of his days.
8 If a quality or talent is in your blood, it is part of your nature, and other members of your family have it too.
in one's blood phrase oft v-link PHR
Diplomacy was in his blood: his ancestors had been feudal lords..., He has adventure in his blood.
9 You can use the expressions new blood, fresh blood, or young blood to refer to people who are brought into an organization to improve it by thinking of new ideas or new ways of doing things.
new blood/fresh blood/young blood phrase
There's been a major reshuffle of the cabinet to bring in new blood...
10 If you say that someone sweats blood trying to do something, you are emphasizing that they try very hard to do it.
sweat blood phrase V inflects (emphasis)
I had to sweat blood for an M.A.
flesh and blood →
own flesh and blood →
blood and thunder , blood-and-thunder
A blood and thunder performer or performance is very loud and emotional. adj ADJ n
He was a blood-and-thunder preacher.
blood bank ( blood banks plural ) A blood bank is a place where blood which has been taken from blood donors is stored until it is needed for people in hospital. n-count
blood brother ( blood brothers plural ) , blood-brother A man's blood brother is a man he has sworn to treat as a brother, often in a ceremony which involves mixing a small amount of their blood. n-count
blood count ( blood counts plural ) Your blood count is the number of red and white cells in your blood. A blood count can also refer to a medical examination which determines the number of red and white cells in your blood. n-count
Her blood count was normal..., We do a blood count to ensure that all is well.
blood-curdling , bloodcurdling
A blood-curdling sound or story is very frightening and horrible. adj usu ADJ n
blood donor ( blood donors plural ) A blood donor is someone who gives some of their blood so that it can be used in operations. n-count
blood feud ( blood feuds plural ) A blood feud is a long-lasting, bitter disagreement between two or more groups of people, particularly family groups. Blood feuds often involve members of each group murdering or fighting with members of the other. n-count
blood group ( blood groups plural ) Someone's blood group is the type of blood that they have in their body. There are four main types: A, B, AB, and O. n-count oft poss N
Blood heat is a temperature of 37°C, which is about the same as the normal temperature of the human body. n-uncount
1 n-uncount Blood-letting is violence or killing between groups of people, especially between rival armies.
Once again there's been ferocious blood-letting in the township.
2 n-uncount Journalists sometimes refer to a bitter quarrel between two groups of people from within the same organization as blood-letting.
Hopefully a satisfactory solution can be reached without much blood letting.
blood lust , blood-lust
If you say that someone is driven by a blood lust, you mean that they are acting in an extremely violent way because their emotions have been aroused by the events around them. n-uncount also a N
The mobs became driven by a crazed blood-lust to take the city.
1 n-uncount If someone makes a payment of blood money to the family of someone who has been killed, they pay that person's family a sum of money as compensation.
Defence lawyers have still not agreed to terms for payment of blood money to the victims' families.
2 n-uncount Blood money is money that is paid to someone for murdering someone.
Blood poisoning is a serious illness resulting from an infection in your blood. n-uncount
Your blood pressure is the amount of force with which your blood flows around your body. n-uncount
Your doctor will monitor your blood pressure..., Prime Minister Pavlov had been taken ill with high blood pressure.
blood pudding ( blood puddings plural ) Blood pudding is another word for black pudding. n-var
blood-red , blood red
Something that is blood-red is bright red in colour. colour
blood relation ( blood relations plural ) , blood relative A blood relation or blood relative is someone who is related to you by birth rather than by marriage. n-count
blood sport ( blood sports plural ) , bloodsport Blood sports are sports such as hunting in which animals are killed. n-count
blood test ( blood tests plural ) A blood test is a medical examination of a small amount of your blood. n-count
blood transfusion ( blood transfusions plural ) A blood transfusion is a process in which blood is injected into the body of a person who is badly injured or ill. n-var
blood type ( blood types plural ) Someone's blood type is the same as their blood group. n-count
blood vessel ( blood vessels plural ) Blood vessels are the narrow tubes through which your blood flows. n-count usu pl
If people talk about bringing new blood into an organization or sports team, they are referring to new people who are likely to improve the organization or team. n-uncount
That's what we need, some new blood in the team.