Skip to content
WORDS, MADE CLEAR.
Your everyday English companion

English dictionary

taboo Meaning & Definition

tə-ˈbü

What Does Taboo Mean?

As an adjective, taboo means banned on grounds of morality or taste. It can also mean banned as constituting a risk. As a noun, it means a prohibition imposed by social custom or as a protective measure. As a verb, it means to set apart as taboo especially by marking with a ritualistic symbol.

Word Facts for Taboo

Part of speechadjective, noun, verb
Pronunciation/tə-ˈbü/
Syllables2
Synonymssacred, out and prohibited
Antonymsallowable, permissible and permissive
Pluraltaboos
Comparative / superlativemore taboo, most taboo
Verb formstaboos, tabooing, tabooed
First known use1777

Taboo Definition (Adjective)

  1. banned on grounds of morality or taste

    the subject is taboo

  2. banned as constituting a risk

    Treatments outside the statistically proven are considered taboo …

  3. forbidden for nonreligious use or contact because of what are held to be dangerous supernatural powers

Taboo as a Noun

  1. a prohibition imposed by social custom or as a protective measure

    … they may have developed a taboo against eating fish.

  2. something that is not acceptable to say, mention, or do : something that is taboo

    … the tacticians in a conservative Republican Administration now deem membership in the club a taboo.

  3. a prohibition against touching, saying, or doing something for fear of immediate harm from a supernatural force
  4. belief in taboos

Taboo as a Verb

  1. to set apart as taboo especially by marking with a ritualistic symbol
  2. to avoid or ban as taboo

Synonyms of Taboo

Taboo synonyms and antonyms →

Antonyms of Taboo

Taboo in a Sentence

the subject is taboo

Treatments outside the statistically proven are considered taboo …

… they may have developed a taboo against eating fish.

… the tacticians in a conservative Republican Administration now deem membership in the club a taboo.

asking a guest how much money he or she makes is strictly taboo because it's a rude question to ask a stranger

Word Forms & Grammar

taboo

tabu

ta·boos

ta·bus

taboos

tabus

ta·booed

ta·bued

ta·boo·ing

ta·bu·ing

tabooed

tabooing

tabued

tabuing

taboo (countable and uncountable, plural taboos)

taboo (comparative more taboo, superlative most taboo)

taboo (third-person singular simple present taboos, present participle tabooing, simple past and past participle tabooed)

Words That Rhyme With Taboo

Origin of Taboo

Origin 1: Tongan tabu

Origin 2: Borrowed from Tongan tapu (“prohibited, sacred”), from Proto-Polynesian *tapu, from Proto-Oceanic *tabu, from Proto-Eastern Malayo-Polynesian *tambu. Doublet of kapu. First attested in c. 1777.

Origin 3: The p in the Tongan source was misheard as b.

First Known Use

1777

How Do You Say Taboo?

Taboo is pronounced /tə-ˈbü/ and has 2 syllables, with the main stress on the second syllable (bü).

Taboo: Your Questions Answered

Is taboo an adjective or a noun?

Taboo is mainly used as an adjective, but it can also be used as a noun and a verb.

What is another word for taboo?

You can replace taboo with words such as sacred, out and prohibited. See the full list of taboo synonyms and antonyms.

What is the opposite of taboo?

Words opposite in meaning to taboo are allowable, permissible, permissive and sufferable.

What is the plural of taboo?

The plural of taboo is taboos.

What is the past tense of taboo?

The past tense of taboo is tabooed. The present participle is tabooing.

More About Taboo On Meaning Stash

More Words Starting With “Tab”

Merriam-WebsterReference content from Merriam-Webster’s Collegiate® Dictionary and Collegiate® Thesaurus © Merriam-Webster Inc.Data credits & licensing