"taboos" in the noun sense
1. taboo, tabu
a prejudice (especially in Polynesia and other South Pacific islands) that prohibits the use or mention of something because of its sacred nature
2. taboo, tabu
an inhibition or ban resulting from social custom or emotional aversion
"taboos" in the verb sense
1. taboo
declare as sacred and forbidden
Source: WordNet® (An amazing lexical database of English)
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