pivotal

[piv-uh-tl]
adjective
1.
of, pertaining to, or serving as a pivot.
2.
of vital or critical importance: a pivotal event.

Origin:
1835–45; pivot + -al1

pivotally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To pivotal
Collins
World English Dictionary
pivotal (ˈpɪvətəl)
 
adj
1.  of, involving, or acting as a pivot
2.  of crucial importance
 
'pivotally
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

pivotal
1844, in figurative sense, from pivot.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
They can be pivotal in the match or as unimportant as your appendix.
Some of the most pivotal battlefield innovations throughout history began as
  peacetime inventions.
Cook's visit was the pivotal moment in Hawaiian history.
It was a pivotal career moment for me.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature