unworthy of praise; not laudable.
Origin of illaudable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for illaudable
Historical Examples of illaudable
Illaudable, il-law′da-bl, adj. not laudable or praiseworthy.
The very idea of a design, however far from illaudable is always distressing and uncomfortable.