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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)

bigness
nounC1
/ˈbɪɡnəs/The quality or state of being large in physical size, extent, quantity, or importance.
bignonia
nounLow
/bɪɡˈnəʊnɪə/A climbing or sprawling plant of the genus Bignonia, known for its trumpet-shaped flowers.
bigorexia
nounRare
/ˌbɪɡəˈrɛksɪə/A psychological disorder characterized by a distorted body image in which a person perceives themselves as insufficiently muscular, leading to obsessive behaviours to increase muscle mass.
bigot
nounC1
/ˈbɪɡ.ət/A person who is obstinately and unreasonably attached to a belief, opinion, or faction, especially one who is intolerant of the beliefs, opinions, or ways of life of others.
bigtha
nounExtremely rare
Not a standard English word; appears in historical/religious contexts as a proper noun.
biguanide
nounC2 (Technical/Specialist)
/ˌbaɪˈɡwɑːnʌɪd/A chemical compound or class of drugs derived from guanidine, with two guanidine groups joined; primarily used in medicine as an oral antidiabetic agent (e.g., metformin).
bigwig
nounC1
/ˈbɪɡwɪɡ/An important or influential person, especially in a particular field or organization.
bihar
nounVery Low
/bɪˈhɑː/A state in northeastern India.
bihar and orissa
nounC2/Extremely Low
/bɪˈhɑːr ənd ɒˈrɪsə/A historical province of British India comprising the regions of Bihar and Orissa (modern-day Odisha), existing as a unified administrative entity from 1912 to 1936.
bihari
adjectivenounC2
/bɪˈhɑːri/A native or inhabitant of the Indian state of Bihar.
bihemispheric slow-wave sleep
nounExtremely low
/ˌbaɪ.hɛm.ɪˈsfe.rɪk ˌsləʊ ˌweɪv ˈsliːp/A stage of non-REM sleep characterized by high-amplitude, low-frequency brain waves (delta waves) that occur synchronously in both cerebral hemispheres.
bihzad
nounExtremely Low (OBSOLETE / HISTORICAL / PROPER NAME)
/bɪhˈzɑːd/A word of uncertain origin or meaning, not found in major contemporary English dictionaries. Likely a rare surname, personal name, transliteration, or niche term.
biisk
nounVery low
/biːɪsk/A city in the Altai Krai region of Siberia, Russia, at the confluence of the Biya and Katun rivers.
bijagos islands
plural-nounLow
/ˌbiːˈʒɑːɡəʊs/ /ˈaɪləndz/A group of islands off the coast of Guinea-Bissau in West Africa.
bijapur
nounVery Low
/ˌbɪdʒəˈpʊə/A city in the Indian state of Karnataka, historically the capital of the Bijapur Sultanate.
bijection
nounVery low
/baɪˈdʒɛkʃ(ə)n/A function between two sets that is both injective (one-to-one) and surjective (onto), establishing a perfect one-to-one correspondence where each element of the first set is paired with exactly one unique element of the second set, and vice versa.
bijou
nounLow
/ˈbiːʒuː/A small, elegant, and delicately crafted piece of jewellery or ornament.
bijouterie
nounC2 (Very low frequency)
/ˌbiːʒuːt(ə)ˈriː/small, decorative pieces of jewellery, especially those considered showy or delicate.
bikaner
nounLow (Geographical/Proper Noun)
/ˌbɪkəˈnɪə/A city in the state of Rajasthan, northwestern India.
bike
nounverb-intransitiveVery high
/baɪk/A two-wheeled vehicle powered by pedals (bicycle) or an engine (motorcycle).

Showing 4161–4180 of 10030 words.