English Words Starting With A

• adaptability

  nounC1-C2
  /əˌdæp.təˈbɪl.ə.ti/The quality or ability of being able to change or adjust to new conditions, circumstances, or requirements.
• adaptation

  nounB2
  /ˌæd.æpˈteɪ.ʃən/The process or result of changing something to suit a new situation or environment.
• adapter

  nounB2 (Common in technical and everyday contexts)
  /əˈdaptə/A device or component that allows two incompatible systems, objects, or interfaces to connect, work together, or fit.
• adaption

  nounMedium
  /əˈdapʃ(ə)n/The process of changing something to suit a new purpose or situation.
• adaptive optics

  nounLow
  /əˌdæp.tɪv ˈɒp.tɪks/A technology used in telescopes and other optical systems to improve image quality by compensating for distortions, typically caused by atmospheric turbulence.
• adaptive radiation

  nounLow
  /əˈdæp.tɪv ˌreɪ.diˈeɪ.ʃən/A biological process where organisms diversify rapidly from an ancestral species into new forms, particularly when new environmental niches become available.
• adaptogen

  nounC1
  /əˈdæp.tə.dʒən/A natural substance, typically a plant or herb, that helps the body adapt to physical, chemical, or biological stress and maintain homeostasis.
• adaptor

  nounB1
  /əˈdæptə/A device that allows different electrical plugs, connectors, or systems to work together by modifying the interface.
• adar

  nounrare
  /ˈɑːdɑː/A Hebrew month corresponding to February–March in the Gregorian calendar.
• adar i

  nounB2
  /əˈdres/To speak or write to someone directly; to direct one's attention to a problem or issue.
• adar ii

  nounC1
  /ədˈhɪə/to stick firmly to a surface or substance
• adar rishon

  nounVery Low
  /əˌdɑː ˈriːʃɒn/The first month of Adar in a Jewish leap year, which contains an extra month to align the lunar calendar with the solar year.
• adar sheni

  nounLow/Very Low
  /ˌɑːdɑː ˈʃɛniː/The intercalary or 'leap' month added to the Hebrew calendar in certain years to align the lunar calendar with the solar year.
• adat

  nounLow (Specialist)
  /ˈɑːdɑːt/Customary or traditional law, ethics, and social code of conduct in the Malay Archipelago (Indonesia, Malaysia, Brunei, etc.), governing community life.
• adcock antenna

  nounVery Low
  /ˈædkɒk ænˈtɛnə/A radio direction-finding antenna consisting of two or four vertical monopole elements.
• add

  nounverbverb-intransitiveverb-transitiveA1
  /æd/To put something together with something else so as to increase the size, number, or amount; to combine.
• add up

  verbB1 (Intermediate)
  /ˌæd ˈʌp/to combine numbers to find their total sum.
• add-in

  nounC1
  /ˈæd ɪn/A software component or hardware device that can be added to a system to provide extra functionality.
• add-on

  adjectivenounC1
  /ˈæd ɒn/A supplementary product or component that can be added to a main purchase to enhance its features or capabilities.
• addams

  nounLow
  /ˈædəmz/A proper noun, most famously referring to the fictional family created by cartoonist Charles Addams in 1938, known for their macabre and humorous lifestyle.

Showing 1181–1200 of 8734 words.