English Words Starting With F

• functionality

  nounC1
  /ˌfʌŋkʃəˈnæləti/The range of operations that something, especially a system or device, is capable of performing.
• functionalize

  verb-transitivelow
  /ˈfʌŋkʃənəlaɪz/To make something functional or to assign a function to something.
• functionary

  adjectivenounC1/C2 (Low frequency in general English)
  /ˈfʌŋkʃən(ə)ri/A person who has to perform official functions or duties; an official.
• functor

  nounC2 (Proficient User - Very Rare)
  /ˈfʌŋktə/In mathematics and computer science, a function or mapping between categories that preserves the structure of the categories.
• fund

  nounverbverb-transitiveHigh
  /fʌnd/A sum of money saved, collected, or provided for a specific purpose.
• fund manager

  nounC1
  /ˈfʌnd ˌmæn.ɪdʒ.ər/A person or company responsible for making investment decisions and managing the assets of a collective investment fund, such as a mutual fund or pension fund.
• fund supermarket

  nounC1
  /ˈfʌnd ˈsuːpəmɑːkɪt/A platform, often digital, offering a wide range of investment funds from multiple providers, allowing investors to compare and purchase in one place.
• fund-raise

  verb-intransitiveverb-transitiveIntermediate
  /ˈfʌndˌreɪz/To seek or collect money for a cause, organization, or project.
• fund-raiser

  nounHigh
  /ˈfʌndˌreɪzə/An event or person that collects money for a cause, charity, or organization.
• fund-raising

  nounC1
  /ˈfʌndˌreɪzɪŋ/The organized activity of raising money, especially for a charity or other non-profit organization.
• fundament

  nounRare (C2+)
  /ˈfʌndəm(ə)nt/The buttocks or anus.
• fundamental

  adjectivenounC1
  /ˌfʌn.dəˈmen.təl/Forming a necessary base or core; central and primary.
• fundamental bass

  nounC2
  /ˌfʌndəˌmentl ˈbeɪs/In music theory, the root note or the lowest note in a chord progression when the chords are considered in their root position.
• fundamental constant

  nounC2 (Very low frequency outside of physics and advanced scientific discourse)
  /ˌfʌndəˌmentl ˈkɒnstənt/A physical quantity that is invariant and central to the laws of physics, whose value does not change across time or space.
• fundamental frequency

  nounLow (Technical Term)
  /ˌfʌn.dəˌmen.təl ˈfriː.kwən.si/The lowest frequency in a complex periodic sound wave, defining its perceived pitch.
• fundamental interaction

  nounC2
  /ˌfʌndəˌmentl ˌɪntərˈækʃən/A basic force through which elementary particles interact; one of the four basic physical forces: gravitational, electromagnetic, strong nuclear, weak nuclear.
• fundamental law

  nounC1+
  /ˌfʌndəˈmentl ˈlɔː/The most basic, essential law that serves as the foundation for a nation's legal system and constitution.
• fundamental particle

  nounC1
  /ˌfʌndəmentl ˈpɑːtɪk(ə)l/An elementary constituent of matter that is not made of smaller parts and serves as a building block of the universe.
• fundamental sequence

  nounC2
  /ˌfʌndəˈmentl ˈsiːkwəns/In mathematics, specifically set theory and analysis, an ordered list of elements where each element is followed by its immediate successor according to a defined rule, especially a sequence where the distance between successive terms becomes arbitrarily small.
• fundamental star

  nounB2
  /ˌfʌndəˈment(ə)l/relating to the most basic or important part of something; serving as an essential foundation

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