different between assert vs squawk




From Latin assertus, perfect passive participle of asser? (declare someone free or a slave by laying hands upon him; hence free from, protect, defend; lay claim to, assert, declare), from ad (to) + ser? (join, range in a row).


  • (Received Pronunciation) IPA(key): /??s??t/
  • (General American) IPA(key): /??s?t/
  • Rhymes: -??(?)t


assert (third-person singular simple present asserts, present participle asserting, simple past and past participle asserted)

  1. To declare with assurance or plainly and strongly; to state positively.
    He would often assert that there was life on other planets.
  2. To use or exercise and thereby prove the existence of.
    to assert one's authority
    Salman Rushdie has asserted his right to be identified as the author of this work.
  3. To maintain or defend, as a cause or a claim, by words or measures; to vindicate a claim or title to
    to assert our rights and liberties
  4. (programming) To specify that a condition or expression is true at a certain point in the code.
  5. (electronics) To set a signal on a line using a voltage or electric current.


  • remit
  • deny
  • deassert


  • affirm
  • asseverate
  • aver

Related terms



assert (plural asserts)

  1. (computer science) an assertion; a section of source code which tests whether an expected condition is true.



  • “assert” in the Collins English Dictionary

Further reading

  • assert in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
  • assert in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
  • assert at OneLook Dictionary Search


  • Sastre, Saters, TASers, Tasers, Tesars, asters, reasts, setars, stares, stears, tarses, tasers



assert m (plural asserts)

  1. (programming) assert (conditional statement that checks the validity of a value)

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Unknown [from 1821], but probably of imitative origin (compare dialectal Italian squacco (small-crested heron)).


  • IPA(key): /skw??k/
  • Rhymes: -??k


squawk (plural squawks)

  1. A shrill noise, especially made by a voice or bird; a yell, scream, or call.
  2. (aviation) A four-digit transponder code used by aircraft for identification or transmission of emergency signals.
  3. (informal) A complaint or objection.
    • 1983, Stephen King, Uncle Otto's Truck
      That was the last roundup for McCutcheon’s Cresswell; it never moved from that field again. Not that there was any squawk from the landlord; the two of them owned it, of course.
  4. (aviation) An issue or complaint related to aircraft maintenance.
    • 1969, American Aviation (volume 32)
      We think instructors should stress the importance of writeups on all maintenance squawks after the completion of each flight. More important, something should be done by the aircraft operator to correct such squawks.
  5. The American night heron.
  6. (programming, informal) A warning message indicating a possible error.



squawk (third-person singular simple present squawks, present participle squawking, simple past and past participle squawked)

  1. To make a squawking noise; to yell, scream, or call out shrilly.
    • The hens woke up squawking with terror because they had all dreamed simultaneously of hearing a gun go off in the distance.
  2. (slang, intransitive) To speak out; to protest.
  3. (slang, intransitive) To report an infraction; to rat on or tattle; to disclose a secret.
    • 1948, Andrew Geer, The Sea Chase (page 68)
      "I'll slit your throat if you squawk on us," Krantz threatened.
  4. (programming, intransitive, informal) To produce a warning message, indicating a possible error.
    • 2013, Bill Sempf, Chuck Sphar, Stephen R. Davis, C# 5.0 All-in-One For Dummies
      You want the compiler to squawk if you try to instantiate for a type that doesn't implement IPrioritizable.
  5. (aviation) To set or transmit a four-digit transponder code. (Normally followed by the specific code in question.)
  6. (US, slang, dated) To back out in a mean way.



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