Verb

(contraven)

To act contrary to an order, or fail to conform to a regulation.

*{{quote-news

, year=2012 , date=May 24 , author=Adam Gabbatt , title=Canada student protests erupt into political crisis with mass arrests , work=the Guardian citation , page= , passage=Some legal experts argue that the bill contravenes Canada's charter of rights and freedoms. Montreal constitutional lawyer Julius Grey told the Vancouver Sun that Bill 78 was "flagrantly unconstitutional".}}

To deny the truth of something.

Verb

(interfer)

To get involved or involve oneself, causing disturbance.

I always try not to interfere with other people’s personal affairs.

(physics) (of waves) To be correlated with each other when overlapped]] or [[superpose, superposed.

Correlated waves interfere''' to produce interesting patterns, while uncorrelated waves overlap without '''interfering .

Where the radio-wave signals of the two radio stations interfere the listener hears nothing but noise.

(mostly of horses) To strike one foot against the opposite foot or ankle in using the legs.