The word "undulous" is an adjective that means wavering or uncertain in one's opinions, affections, or loyalties, often in a way that is inconsistent or indecisive.
"Undulous" Examples
Adjective
1. Staring fixedly
She turned undulous eyes towards the service desk, monitoring every move of the staff behind it.
2. Having or showing great interest or enthusiasm
The undulous smile on his face proved how excited he was at the news.
3. Completely fascinated or drawn to something
The children watched with undulous eyes as the magician performed his trick.
4. Having no sensible or rational opinion, attitude
The pundits' undulous rhetoric failed to persuade anyone from opposing the bill.
5. Uncountable and endless
He's become undulous in his pursuit of final information on particle physics.