Ukranians are as adamant and restive as they’ve ever been in their rejection of Russian occupation.
The audience grew restive.
...restive national minorities.
restive:
(UK) If you are restive, estás impaciente, aburrido o insatisfecho. Inquieto, nervioso o intranquilo || Impaciente ante el control o la autoridad
(EE. UU.) Que se niega a avanzar; díscolo como un caballo. || Difícil de controlar; indisciplinado; refractario. || Nervioso o impaciente bajo presión o restricción; intranquilo; inestable