First recorded around 1765–75.
A variant of flabagast, which may be a combination of flabb(y), \"hanging loosely or limply\" or flap, \"a blow given with something broad and flat,\" and aghast, \"struck with overwhelming shock.\"
Sign up for more Word of the Day!

\r\nEXAMPLES OF FLABBERGAST\r\n

The magician's disappearing act never failed to flabbergast the audience.
The unexpected news about the new mayor flabbergasted the community.

\r\nIt's National Poetry Month, and we’ve created a challenge that really is for everyone. Submit now!","audio":"https://static.sfdict.com/audio/F01/F0183700.mp3","definitions":[{"partofspeech":"verb","data":"to overcome with surprise and bewilderment; astound."}],"examples":[],"imageUrl":"https://www.dictionary.com/e/wp-content/uploads/2024/03/flabbergast_IG.png","accentColor":"#0063D7"}},"status":"succeeded"}},"meta":{"requestId":"vXmPe6rNzHvnkxGXnJ5GP","requestStatus":"fulfilled"}},{"type":"fetchWordsNearby/fulfilled","payload":{"data":{"before":[{"slug":"behavioral","entry":"behavioral"},{"slug":"behavioral-economics","entry":"behavioral economics"},{"slug":"behavioral-genetics","entry":"behavioral genetics"},{"slug":"behavioral-health","entry":"behavioral health"},{"slug":"behavioral-medicine","entry":"behavioral medicine"}],"after":[{"slug":"behavioral-science","entry":"behavioral science"},{"slug":"behaviorism","entry":"behaviorism"},{"slug":"behavior-modification","entry":"behavior modification"},{"slug":"behavior-pattern","entry":"behavior pattern"},{"slug":"behavior-therapy","entry":"behavior therapy"}]}},"meta":{"arg":{"word":"behavioral-psychophysics"},"requestId":"zSDVMyVS4imqgYKKTVSbA","requestStatus":"fulfilled"}},{"type":"luna/fetchExampleSentences/fulfilled","payload":{"data":{"tdb":[],"gbg":[]}},"meta":{"arg":{"word":"behavioral-psychophysics"},"requestId":"U8gor1I2EVZgoSWfRx-ws","requestStatus":"fulfilled"}},{"type":"fetchDictionaryResults/fulfilled","payload":{"slugs":[{"entries":[{"__typename":"Entry","audioPronunciations":[],"confusableNotes":[],"genderNotes":[],"grammarNotes":[],"headword":{"displayForm":"behavioral psychophysics","slug":"behavioral-psychophysics"},"idioms":[],"orderKey":99999010,"ordinal":10,"origin":null,"partOfSpeechBlock":[{"definitions":[{"antonymsConnection":{"edges":[]},"definitionSetChunks":"[{\"type\": \"def\", \"children\": [{\"text\": \"the branch of psychology that deals with measurement of mental and sensory phenomena brought on by physical stimuli.\", \"type\": \"text\"}]}]","examples":[],"ordinal":1,"subdefinitions":[],"synonymsConnection":{"edges":[]}}],"inflectionSets":[],"labelSet":{"labelSetText":"(used with a singular verb)"},"ordinal":1,"partOfSpeech":"noun"}],"pronunciationNotes":[],"pronunciationSet":null,"relatedFormSets":[],"sensitiveNotes":[],"spellingNotes":[],"synonymStudy":[],"usageAlerts":[],"usageNotes":[],"variants":[],"verbPhrases":[]}],"url":"behavioral-psychophysics"}]},"meta":{"arg":{"slug":"behavioral-psychophysics"},"requestId":"B1GXmYV23mEsxCZLgjrni","requestStatus":"fulfilled"}},{"type":"fetchResultsData/fulfilled","payload":{"data":{"url":"behavioral-psychophysics","displayForm":"behavioral psychophysics","canonicalSlug":"behavioral-psychophysics","content":[{"source":"luna","entries":[{"id":"u3bb48a285cbafaf0.-3bc55cee.14d9e5d3fff.1d7","type":"normal","entry":"behavioral psychophysics","entrySyllabified":"behavioral psychophysics","entryVariants":[],"homograph":null,"pronunciation":null,"predefinitionContent":"","posBlocks":[{"definitions":[{"order":1,"type":"simple","predefinitionContent":"","postdefinitionContent":"","definition":"the branch of psychology that deals with measurement of mental and sensory phenomena brought on by physical stimuli.","synonyms":"","antonyms":"","cites":[]}],"pos":"noun","posSupplementaryInfo":"(used with a singular verb)"}],"origin":null,"originData":null,"supplementaryNotes":[],"variantForms":[],"variantSpellings":[],"referenceData":[],"relatedForms":[],"confusables":[]}]}],"nearbyWordOrdinal":14842,"index-rank-01":["behavioral psychophysics"],"index-rank-02":[],"index-rank-03":[],"index-rank-04":["behavioral psychophysics'","behavioral psychophysics's","behavioral psychophysicses","behavioral psychophysicses'"],"index-rank-05":[],"index-rank-06":[],"index-rank-07":[],"index-rank-08":[],"index-rank-09":[],"index-rank-10":[],"index-rank-11":[],"index-rank-12":[],"index-rank-13":[],"index-rank-14":[],"index-rank-15":[],"categoryId":"332","complexityScore":0.5361642863182138,"gradeLevel":"post_college","tunaSlug":null,"isFeaturedMetaSlug":false}},"meta":{"arg":{"word":"behavioral-psychophysics"},"requestId":"OrwpkIpS_eQkMsuirlA6x","requestStatus":"fulfilled"}},{"type":"fetchSpellSuggestions/fulfilled","payload":{"data":{"luna":[],"tuna":["psychotics","psychosis","psychics","psychosurgery","psycho surgeries","psycho","psycho surgery"],"lunaWithSlug":[],"tunaWithSlug":[{"displayForm":"psychotics","slug":"psychotics"},{"displayForm":"psychosis","slug":"psychosis"},{"displayForm":"psychics","slug":"psychics"},{"displayForm":"psychosurgery","slug":"psychosurgery"},{"displayForm":"psycho surgeries","slug":"psycho%20surgeries"},{"displayForm":"psycho","slug":"psycho"},{"displayForm":"psycho surgery","slug":"psycho%20surgery"}]}},"meta":{"arg":{"word":"behavioral-psychophysics"},"requestId":"FavcoWPvqg5JnPZWeFWPp","requestStatus":"fulfilled"}}]},"actionData":null,"errors":null}

behavioral psychophysics

noun

Word of the Day