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English Words Starting With B

10,030 entries — pick a word to see its definition, pronunciation, and usage.

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

blondel
nounExtremely rare / Obsolete
/ˈblɒnd(ə)l/An obsolete term for a small wooden building or hut; historically, a derogatory term for a fool or simpleton.
blondie
nounB2
/ˈblɒn.di/A person with blonde hair (now often used specifically for a woman or girl), or a dessert made with blonde ingredients like brown sugar and vanilla.
blondin
nounRare / Technical
/ˈblɒndæ̃/A tightrope walker.
blonding
nounLow
/ˈblɒndɪŋ/The process of dyeing hair a lighter, yellowish-brown colour.
blood
nounverb-transitiveB1
/blʌd/The red liquid that flows through the bodies of humans and animals, carrying oxygen and nutrients.
blood and thunder
adjectivenounC2
/ˌblʌd ən ˈθʌn.dər/Melodramatic, violent, and sensational action or behaviour.
blood bank
nounB2
/ˈblʌd ˌbæŋk/A place where blood is collected, stored, and processed for use in medical transfusions.
blood bath
nounC1
/ˈblʌd.bɑːθ/An event of savage, large-scale slaughter or massacre.
blood brother
nounB2
/ˌblʌd ˈbrʌð.ər/A man with whom one has sworn a formal pact of loyalty and friendship, often involving a ritual mingling of blood.
blood cell
nounB2
/ˈblʌd ˌsel/Any of the cells contained in blood, such as red cells (erythrocytes) or white cells (leukocytes), responsible for carrying oxygen and fighting infection.
blood clot
nounC1
/ˈblʌd ˌklɒt/A semisolid or gelatinous mass formed when blood coagulates, typically within a blood vessel or at a wound site.
blood count
nounC1
/ˈblʌd ˌkaʊnt/A clinical test that measures the number and types of cells in a specific volume of blood.
blood diamond
nounC1-C2
/ˈblʌd ˌdaɪ.mənd/A diamond mined in a war zone and sold to finance an insurgency, invading army, or warlord's activities, often under conditions of violent conflict and human rights abuses.
blood donor
nounB1
/ˈblʌd ˌdəʊ.nə/A person who voluntarily gives blood for medical use, typically for transfusion to another person or for use in medical research and treatments.
blood doping
nounLow in general contexts; Medium in sports, medicine, and ethics discussions.
/ˈblʌd ˌdəʊpɪŋ/A banned athletic practice of boosting the body's red blood cell count to enhance oxygen delivery to muscles.
blood feud
nounLow
/ˈblʌd ˌfjuːd/A prolonged, violent conflict between families, clans, or kinship groups, typically involving cycles of revenge killings for a past injury or murder.
blood fluke
nounC2
/ˈblʌd ˌfluːk/A parasitic flatworm of the genus Schistosoma that infects the blood vessels of humans and other mammals, causing the disease schistosomiasis.
blood gas
nounTechnical/Medical
/ˈblʌd ˌɡæs/A medical test that measures the levels of oxygen, carbon dioxide, and acidity (pH) in the blood.
blood group
nounB2/C1
/ˈblʌd ɡruːp/A classification of human blood based on the presence or absence of inherited antigenic substances (e.g., A, B, and Rh) on the surface of red blood cells.
blood grouping
nounC2
/ˈblʌd ˌɡruːpɪŋ/The classification of a person's blood based on the presence or absence of specific inherited antigens on the surface of red blood cells.

Showing 5601–5620 of 10030 words.