Collocations for insistent - adj.
ADVERB
most,
quite,
very
She was most insistent that we shouldn't leave the door unlocked.
She was most insistent that we shouldn't leave the door unlocked.
PREPOSITION
about
She was insistent about inviting him.
She was insistent about inviting him.
on,
upon
He was insistent on a formal written agreement.
He was insistent on a formal written agreement.
Insistent is used with these nouns:
rhythm
rhythm