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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)

firing order
nounC1
/ˈfaɪər.ɪŋ ˌɔː.dər/The specific sequence in which the cylinders of a multi-cylinder internal combustion engine ignite.
firing party
nounC2
/ˈfaɪə.rɪŋ ˌpɑː.ti/A group of soldiers assembled to perform a military execution by shooting.
firing pin
nounLow
/ˈfaɪə.rɪŋ ˌpɪn/A component in a firearm that strikes the primer of a cartridge to initiate firing.
firing range
nounB2
/ˈfaɪə.rɪŋ ˌreɪndʒ/An outdoor or indoor area designated and equipped for the practice of shooting firearms at targets.
firing squad
nounLow
/ˈfaɪə.rɪŋ ˌskwɒd/A group of soldiers assembled to execute a condemned prisoner by shooting them simultaneously.
firkin
nounC2
/ˈfɜː.kɪn/A small wooden cask or barrel used for storing liquids or goods, especially ale, butter, or fish.
firm
adjectiveadverbverb+2B1
/fɜːm/A business organisation or partnership; physically solid, stable, and secure; to make something secure.
firmament
nounC2
/ˈfɜː.mə.mənt/The sky or the heavens, often conceived poetically or biblically as a solid dome or arch above the Earth.
firman
nounLow (Specialist/Historical)
/ˈfɜː.mən/A royal decree or order issued by a sovereign in certain Middle Eastern and South Asian contexts, especially by an Ottoman Sultan, Mughal Emperor, or Persian Shah.
firmer chisel
nounLow
/ˈfɜːmə ˈtʃɪz(ə)l/A woodworking chisel with a flat, straight blade and bevelled edge, designed for making precise, straight cuts and paring.
firmer gouge
nounSpecialized / Technical
/ˈfɜː.mə ˈɡaʊdʒ/A carpentry or woodworking chisel with a curved cutting edge, used for scooping out wood.
firmware
nounMedium-High (common in tech contexts, less common in everyday conversation)
/ˈfɜːmweə(r)/Permanent software programmed into a hardware device's read-only memory (ROM) that provides low-level control for the device's specific hardware.
firn
nounC2
/fɪən/Granular, partially compacted snow that is older than one season but has not yet turned into glacial ice.
firn line
nounLow
/ˈfɪən ˌlaɪn/The boundary on a glacier or icefield that separates the area of perennial snow (firn) above, where accumulation exceeds ablation, from the area of bare ice below, where ablation exceeds accumulation.
firnification
nounVery Rare
/ˌfɜː.nɪ.fɪˈkeɪ.ʃən/The process by which snow transforms into granular ice (firn) and eventually glacial ice through compression and partial melting and refreezing.
firozabad
nounVery Low
/ˌfɪərəʊzəˈbɑːd/A city in the Indian state of Uttar Pradesh, historically founded by or named after Firoz Shah.
first
adjectiveadverbnounA1
/fɜːst/coming before all others in time, order, or importance.
first aid
nounB1
/ˌfɜːst ˈeɪd/The immediate, basic medical care given to an injured or suddenly ill person before full medical treatment is available.
first amendment
nounC2
/ˌfɜːst əˈmendmənt/The first amendment to the United States Constitution, protecting fundamental freedoms including religion, speech, press, assembly, and petition.
first base
nounMedium
/fɜːst beɪs/The initial base to be reached in the game of baseball, positioned immediately counter-clockwise from home plate.

Showing 2181–2200 of 5868 words.