un ‧ com ‧ mit ‧ ted /ˌʌnkəˈmɪtəd◂, ˌʌnkəˈmɪtɪd◂/ BrE AmE adjective
[ Word Family: adjective : noncommital, ↑ committed ≠ ↑ uncommitted ; verb : ↑ commit ; noun : ↑ commitment ]
not having decided or promised to support a particular group, political belief etc:
uncommitted voters
So far, they are uncommitted to his plan.