dulled is a form of:

Enthuse



verb
1.
(TRANSITIVE) ~ (about over something somebody) ធ្វើអោយសាទរ ឡើង, សម្រើប, ស្រើប
2.
(INTRANSITIVE) បង្ហាញនូវសេចក្ដីសាទរ
ENGLISH MEANING
verb
1.
(TRANSITIVE, INTRANSITIVE) To make or become enthusiastic.