to shorten by omissions while retaining the basic contents

to abridge a reference book.

to reduce or lessen in duration, scope, authority, etc.; diminish; curtail

to abridge a visit; to abridge one's freedom.

to deprive; cut off.

verb

add , enlarge , expand , extend , increase , lengthen

verb

abbreviate , abstract , blue pencil , chop , clip , compress , concentrate , condense , contract , curtail , cut , decrease , digest , diminish , downsize , lessen , limit , narrow , put in nutshell , reduce , restrict , slash , snip * , summarize , trim , truncate , capsule , epitomize , minimize , retrench , shorten , shrink