Meaning

4 senses
  1. To prove false; to disprove or discredit.

  2. To officially categorize (an allegation) as unsubstantiated.

  3. To call into question; to create doubt about.

  4. To make insubstantial or abstract; unsubstantialize.

Origin

From un- + substantiate.

From un- + substantiate.

Wiktionary, CC BY-SA 4.0 · source

Forms

unsubstantiates, unsubstantiating, unsubstantiated, unsubstantiated
Base formunsubstantiate · to unsubstantiate
3rd person singularunsubstantiates
Present participleunsubstantiating
Past simpleunsubstantiated
Past participleunsubstantiated

regular · Lesson

Present simpleLesson

I, you, we, theyunsubstantiate
he, she, itunsubstantiates

Past simpleLesson

all personsunsubstantiated

Present perfectLesson

I, you, we, theyhave unsubstantiated
he, she, ithas unsubstantiated

Future simple (will)Lesson

all personswill unsubstantiate

See also

neighbours in the dictionary
unsubstantiate — meaning, examples, forms, synonyms | Krumeto