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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)

bose-einstein condensate
nounVery Low
/ˌbəʊz ˈaɪn.ʃtaɪn kənˈden.seɪt/A state of matter of a dilute gas of bosons cooled to temperatures very close to absolute zero, where a large fraction of the bosons occupy the lowest quantum state, causing macroscopic quantum phenomena.
bose-einstein statistics
plural-nounVery Low
/ˌbəʊz ˌaɪnʃtaɪn stəˈtɪstɪks/A quantum mechanical description of the statistical behavior of a collection of identical particles called bosons.
bosh
nounLow
/bɒʃ/Nonsense, foolish talk or ideas.
bosk
nounRare / Archaic / Literary
/bɒsk/A small wooded area, grove, or thicket.
bosket
nounRare/Very low
/ˈbɒskɪt/A small grove, thicket, or plantation of trees.
boskop
nounVery Low
/ˈbɒskɒp/A variety of large, sweet, red-flushed cooking apple.
boskop man
nounVery Low
/ˈbɒskɒp mæn/A prehistoric human fossil discovered in South Africa in 1913, representing a population with a notably large cranial capacity.
bosman ruling
nounC1
/ˈbɒzmən ˈruːlɪŋ/A landmark 1995 European Court of Justice decision that gave professional football (soccer) players in the EU the right to move to another club at the end of their contract without a transfer fee being paid.
bosnia
nounLow
/ˈbɒz.ni.ə/A country in southeastern Europe, part of the Balkan Peninsula, officially Bosnia and Herzegovina.
bosnia and herzegovina
nounB1
/ˌbɒz.ni.ə ənd ˌhɛət.sə.ɡəʊˈviː.nə/A country in Southeast Europe on the Balkan Peninsula, consisting of two main entities, the Federation of Bosnia and Herzegovina and the Republika Srpska.
bosnia-herzegovina
nounLow
/ˌbɒz.ni.ə ˌhɛət.sə.ɡəʊˈviː.nə/A country in southeastern Europe, on the Balkan Peninsula, consisting of two main regions: Bosnia and Herzegovina.
bosom
adjectivenounverb+1C1
/ˈbʊz.əm/A person's chest, especially a woman's breasts; also used figuratively for a place of warmth, intimacy, and safety.
bosom buddy
nounLow
/ˌbʊz.əm ˈbʌd.i/A very close, intimate, and trusted friend with whom one shares private thoughts and feelings.
bosom friend
nounC2 / Rare (in modern usage)
/ˈbʊz.əm frend/A very close, intimate, and trusted friend with whom one shares deep secrets and emotional connection.
boson
nounLow frequency (specialized/scientific)
/ˈbəʊsɒn/A type of subatomic particle that follows Bose-Einstein statistics and has integer spin, acting as a force carrier in quantum field theory.
bosporus
nounLow
/ˈbɒs.pə.rəs/A narrow, natural strait or channel connecting two larger bodies of water.
bosquet
nounRare / Technical
/ˈbɒskɪt/a small, carefully cultivated grove of trees, often planted in a formal garden or park, typically arranged in decorative patterns or geometric shapes.
boss
adjectivenounverb+2B1
/bɒs/A person in charge of others at work; a supervisor or manager.
boss cocky
nounLow (colloquial/regional)
/bɒs ˈkɒki/An arrogant, domineering, and overly self-confident person in a position of authority.
boss screen
nounLow
/ˌbɒs ˈskriːn/A fake screen or program displayed by an employee to hide the fact they are not working when a manager or boss approaches.

Showing 6981–7000 of 10030 words.