English

Alternative forms

• no no - often found in texts without the hyphen.

Noun

no-no ‎(plural no-nos)

1. (colloquial, often childish) Something that is forbidden, prohibited, discouraged or taboo.

   Smoking indoors is becoming a real no-no these days, in many places.

2. (baseball, colloquial) A no-hitter; a game in which no batter on one of the teams got a hit.

   He threw two no-nos in his career.

Antonyms

• (something forbidden, ...): must

Anagrams

• noon