undefinable
- s not capable of being precisely or readily described; not easily put into words
- Much else is involved, some of it probably undefinable, but it is clear that over the past decade or so, the general population has been receiving messages from its outposts.
- The spirit of Dadaism prevails at the Pompidou Center in Paris, where a new exhibition attempts to the define the undefinable.
- Most adults dislike caterpillars for vague, undefinable reasons, while most children like to stroke their cute, fuzzy backs.