Industrial advances made knitting at home less necessary by the end of the 19th century.

It had been easy to commit himself, for that was necessary by his definitions.

This display is followed, if necessary, by a chase, often leading to a fight.

He and other officials suggested that the search had been made necessary by a lack of response to an earlier subpoena.

Parliament resolved that he should be prevented, if necessary by force, from taking his seat.

He then plays the king of hearts, followed if necessary by the queen, and West cannot hold up for two rounds.

Unfortunately, it looks as though the choices that are the most desperately needed will still not have been made to the extent necessary by 2010.

Decisions can be reassessed, and if necessary changed, only by them.

The rule change was made necessary by the fact that most of the transportation takes place in cars rather than airplanes.

To meet the city's growing demand for water, another aqueduct was necessary by the 1880's.