- susceptible to debate, challenge, or doubt; questionable: Whether this is the best plan of action or not is arguable.
- susceptible to being supported by convincing or persuasive argument: Admirers agree that it is arguable he is the finest pianist of his generation.
Origin of arguable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- capable of being disputed; doubtful
- capable of being supported by argument; plausible
Word Origin and History for non-arguable
Online Etymology Dictionary, © 2010 Douglas Harper