shorten

verb

1.
make shorter than originally intended; reduce or retrench in length or duration
Antonym:
lengthen
Derived from:
shortener
By means of:
shortener
2.
reduce in scope while retaining essential elements
Derived from:
shortener
By means of:
shortener
3.
make short or shorter
By means of:
shortener
4.
become short or shorter
Antonym:
lengthen
5.
edit by omitting or modifying parts considered indelicate