Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
tabu is a noun and adjective meaning "a prejudice (especially in Polynesia and other South Pacific islands) that prohibits the use or mention of something because of its sacred nature". It carries 4 recorded senses.
an inhibition or ban resulting from social custom or emotional aversion
excluded from use or mention
“forbidden fruit”
“in our house dancing and playing cards were out”
“a taboo subject”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for tabu come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.