Reference > American Heritage® > Dictionary
  invalid1 invalidate  
CONTENTS · INDEX · ILLUSTRATIONS · BIBLIOGRAPHIC RECORD
   The American Heritage® Dictionary of the English Language: Fourth Edition.  2000.
 
invalid2
 
SYLLABICATION:in·val·id
PRONUNCIATION:  n-vld
ADJECTIVE:1. Not legally or factually valid; null: an invalid license. 2. Falsely based or reasoned; faulty: an invalid argument.
ETYMOLOGY:Latin invalidus, weak : in-, not; see in–1 + validus, strong (from valre, to be strong; see wal- in Appendix I).
OTHER FORMS:inva·lidi·ty (-v-ld-t) —NOUN
in·valid·ly —ADVERB
 
 
The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved.

CONTENTS · INDEX · ILLUSTRATIONS · BIBLIOGRAPHIC RECORD
  invalid1 invalidate  
 
Google
Click here to shop the Bartleby Bookstore.
Welcome · Press · Advertising · Linking · Terms of Use · © 2008 Bartleby.com