nebulous
NEB-yuh-lusadjMeaning vague and unclear in form or meaning; hazy
Memory hook NEBUL = CLOUD: a FUZZY idea. Ask Jonah what his new invention does, and his answer is as fuzzy as a cloud: “It… sort of… does stuff?” His idea is nebulous.
Kai had only a nebulous plan for the weekend: “do something fun.”
In context The club president’s promises were nebulous, all “better days ahead” and “a brighter future,” with no details about what she would actually do.
Similar vague, hazy, cloudy, fuzzy
Opposite clear, definite, precise
From Latin nebulosus, “misty, cloudy,” from nebula, “mist, cloud.”