defective verb
Sign in to saveverb with incomplete conjugation; e.g. "beware" in English, which cannot be used as "bewaring" or "bewared"
In the Vinony graph
Within Vinony's link graph, defective verb is referenced by 170 other articles, and connects out to pronoun, part of speech and personal pronoun.
It is catalogued under the topic Verb types.
Its subject is documented across 10 Wikipedia language editions.