Standard Lemma guide

brain-teaser

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A complex riddle or puzzle.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: brain-tickler

Antonyms: none provided

2

noun

Meaning 2

a difficult problem

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: riddle, conundrum, enigma

Antonyms: none provided

Broader terms: problem

History

Etymology

No etymology was provided for this word.

Across languages

Translations

23 source translations are retained for this English entry.

  • Armenian: գլուխկոտրուկ (gluxkotruk) — a complex riddle or puzzle
  • Azerbaijani: başsındıran — a complex riddle or puzzle
  • Bulgarian: главоблъсканица (glavoblǎskanica) — a complex riddle or puzzle
  • Chinese Mandarin: 腦筋急轉彎 /脑筋急转弯 (nǎojīn jízhuǎnwān) — a complex riddle or puzzle
  • Danish: hjernegymnastik — a complex riddle or puzzle
  • Danish: hjernevrider — a complex riddle or puzzle
  • Finnish: aivopähkinä — a complex riddle or puzzle
  • French: casse-tête — a complex riddle or puzzle
  • Galician: quebracabezas — a complex riddle or puzzle
  • Georgian: თავსატეხი (tavsaṭexi) — a complex riddle or puzzle
  • German: Denksportaufgabe — a complex riddle or puzzle
  • German: Kopfnuss — a complex riddle or puzzle
  • Icelandic: gestaþraut — a complex riddle or puzzle
  • Italian: rompicapo — a complex riddle or puzzle
  • Polish: łamigłówka — a complex riddle or puzzle
  • Polish: rozkmina — a complex riddle or puzzle
  • Portuguese: quebra-cabeças — a complex riddle or puzzle
  • Russian: головоло́мка (golovolómka) — a complex riddle or puzzle
  • Swahili: chemsha bongo — a complex riddle or puzzle
  • Swedish: kluring — a complex riddle or puzzle
  • Swedish: hjärngympa — a complex riddle or puzzle
  • Swedish: hjärngymnastik — a complex riddle or puzzle
  • Swedish: tankenöt — a complex riddle or puzzle