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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)

blue-sky law
nounC2
/ˌbluː ˈskaɪ ˌlɔː/A state law in the United States designed to protect the public from fraudulent or speculative securities offerings.
blue-sky thinking
nounC1-C2
/ˌbluː ˈskaɪ ˌθɪŋkɪŋ/Thinking that is free from practical constraints, conventional assumptions, or immediate feasibility; highly creative, imaginative, and unrestricted brainstorming.
blue-tongued lizard
nounC2 / Very Low-Frequency
/ˌbluːˌtʌŋd ˈlɪz.əd/A large, heavy-bodied skink native to Australia and New Guinea, characterized by a distinctive bright blue tongue.
blue-winged teal
nounC1
/ˌbluːˌwɪŋd ˈtiːl/A small dabbling duck native to North America, characterized by slate-blue wing patches in flight.
blueback salmon
nounLow / Specialised
/ˈbluː.bæk ˈsæm.ən/A name for two specific species of Pacific salmon characterized by a dark bluish back, specifically the sockeye salmon and the red salmon.
bluebead
nounVery Rare
/ˈbluːˌbiːd/A small, hard, deep blue, spherical bead, historically made from glass or ceramic.
bluebeard
nounLow
/ˈbluːbɪəd/A man who kills multiple wives or lovers, especially one who entices them sequentially to his home.
bluebeat
nounVery Low (specialist/historical term)
/ˈbluː.biːt/A style of Jamaican music, an early forerunner to ska and rocksteady, characterized by a shuffling rhythm and influenced by American rhythm and blues.
bluebell
nounC1
/ˈbluːbɛl/A small plant with blue, bell-shaped flowers, often found in woodlands.
blueberry
nounB1
/ˈbluːb(ə)ri/A small, edible berry, typically with a bluish-purple skin and a sweet, slightly tart flavour, from various shrubs of the genus Vaccinium.
bluebill
nounLow
/ˈbluːbɪl/A type of duck, especially the greater scaup or the lesser scaup, characterised by a distinctive blue bill.
bluebird
nounB2
/ˈbluː.bɜːd/A small, insect-eating songbird of North America, typically having a bright blue back and head, and a reddish-brown breast.
blueblossom
nounLow (Specialist/Botanical)
/ˌbluːˈblɒsəm/A common name for the flowering shrub Ceanothus thyrsiflorus, native to California and Oregon, known for its clusters of small, fragrant, blue flowers.
bluebonnet
nounC1/C2 (Specialized/Regional)
/ˈbluːˌbɒn.ɪt/A plant, specifically Lupinus texensis, a type of lupine native to Texas, known for its distinctive blue flowers.
bluebook
nounC1
/ˈbluːbʊk/A standard reference book listing the prices of used cars.
bluebottle
nounLow
/ˈbluːˌbɒt(ə)l/A common name for a fly with a metallic blue abdomen, often a blowfly.
bluebottle fly
nounLow
/ˌbluːˈbɒt.əl ˈflaɪ/A large, typically metallic blue or green fly of the blowfly family (Calliphoridae), known for its loud buzzing.
bluebush
nounC1-C2 (Specialized/Botanical)
/ˈbluːbʊʃ/Any of various shrubs or small trees, especially in the genus Maireana, native to arid regions of Australia, characterized by bluish-grey foliage.
bluecoat
nounVery Low
/ˈbluːkəʊt/A person who wears a blue uniform, historically a soldier, sailor, or charity school pupil.
bluefield
nounVery Low
/ˈbluːfiːld/A place name; a specific town or locality in the United States.

Showing 5901–5920 of 10030 words.