1) Abridge 2) Circumscribe 3) Confine 4) Curb 5) Cut back 6) Cut off a part of 7) Cut short 8) Cut short a meandering trail 9) Diminish 10) Dock 11) French word used in English 12) Limit 13) Make shorter 14) Place restrictions on 15) Reduce 16) Restrict 17) Shorten to the short Are sick 18) To cut short 1) Abridge 2) Curb 3) Dock 4) Elide 5) Reduce 6) Restrain 7) Restrict 8) Shorten 9) Stem 10) Stop 11) Trim 12) Truncate 13) Water down 
• (n.) The scroll termination of any architectural member, as of a step, etc. • (v. t.) To cut off the end or tail, or any part, of; to shorten; to abridge; to diminish; to reduce.
Cur'tail noun The scroll termination of any architectural member, as of a step, etc. Cur·tail' (kŭr*tāl') transitive verb [ imperfect & past participle Curtailed (- tāld'); present participle & verbal noun Curtailing .] [ See Curtal .] To cut off the end or tail, or any part, of; to shorten; t...
make shorter then was planned 
curb verb place restrictions on; `curtail drinking in school`
to cut short; cut off a part of; abridge; reduce; diminish.
[SAT terms] terminate or abbreviate before its intended or proper end[PSAT glossary] terminate or abbreviate before its intended or proper end