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English Words Starting With F

5,868 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)

flame retarder
nounLow to Medium
/fleɪm rɪˈtɑː.dər/A substance or material that inhibits or resists the spread of fire.
flame stitch
nounC1/C2 (Specialized/Technical)
/ˈfleɪm ˌstɪtʃ/A textile pattern consisting of small, pointed, flame-like shapes arranged in vertical columns, often created using needlepoint or embroidery.
flame test
nounLow (C2)
/ˈfleɪm ˌtɛst/A qualitative analytical procedure in chemistry where a substance is introduced into a flame to observe the colour emitted, used primarily to identify metal ions.
flame tree
nounC1
/ˈfleɪm ˌtriː/A tropical or subtropical tree known for its brilliant red, orange, or scarlet flowers that resemble flames.
flame war
nounMedium
/ˈfleɪm ˌwɔː/An acrimonious, often long-lasting exchange of hostile or inflammatory messages posted in an online discussion.
flame-arc light
nounVery Low
/ˈfleɪm ɑːk ˌlaɪt/A type of electric lamp that produces light by creating an electric arc between two carbon electrodes, often used in early street lighting and lighthouses.
flame-fusion process
nounC2
/ˈfleɪm ˌfjuː.ʒən ˌprəʊ.ses/A specific industrial or laboratory technique used to synthesize materials (originally synthetic gemstones, now other crystals) by melting powdered raw materials in a high-temperature flame and allowing the molten droplets to fuse into a solid mass.
flame-of-the-forest
nounLow
/ˌfleɪm əv ðə ˈfɒr.ɪst/A tropical tree (Butea monosperma) known for its brilliant orange or red flowers that resemble a flame.
flame-of-the-woods
nounLow
/ˌfleɪm əv ðə ˈwʊdz/A common name for Ixora coccinea, a tropical flowering shrub known for its dense clusters of bright red, orange, or yellow flowers.
flame-out
nounC1
/ˈfleɪm aʊt/To fail suddenly and dramatically; originally refers to a jet engine losing combustion and shutting down.
flame-thrower
nounC2
/ˈfleɪmˌθrəʊ.ər/A portable weapon that projects a stream of burning liquid fuel.
flamefish
nounRare
/ˈfleɪmfɪʃ/A small, brightly coloured tropical fish, typically with red or orange pigmentation.
flamen
nounVery Low
/ˈfleɪmɛn/A priest serving a particular deity in ancient Roman religion.
flamenco
adjectivenounB1
/fləˈmeŋkəʊ/A style of Spanish music and dance originating from Andalusia, characterized by passionate singing, guitar playing, rhythmic handclapping, and expressive movements.
flameout
nounverbC1
/ˈfleɪmaʊt/A sudden, total failure of a jet engine in flight due to the extinction of its flame.
flameproof
adjectiveverb-transitiveC1
/ˈfleɪmpruːf/Designed or treated to resist catching fire and withstand high temperatures.
flamethrower
nounC1/C2
/ˈfleɪmˌθrəʊ.ər/A weapon that projects a stream of burning fuel, used in warfare to attack personnel, clear vegetation, or destroy defensive positions.
flaming sword
nounC1
/ˈfleɪ.mɪŋ sɔːd/A sword that is depicted as being on fire or wreathed in flames, often with symbolic or supernatural connotations.
flamingo
nounB1
/fləˈmɪŋɡəʊ/A tall wading bird with long legs, a long flexible neck, and pink or red plumage, typically found in warm regions.
flamingo-flower
nounC1
/fləˈmɪŋɡəʊ ˌflaʊə/A tropical houseplant (Anthurium andraeanum) with glossy, heart-shaped leaves and a distinctive, brightly coloured, waxy spathe that resembles a flamingo's plumage.

Showing 2581–2600 of 5868 words.