vague

"Her latest project proposal was dismissed by the board; it was a vague of unconnected ideas lacking a central theme. "

"The teacher's instructions were so vague that the students had no clear idea what to do. "

"The lost dog wandered the park, vaguely following the scent of a squirrel. "

"The details of her plan began to vague as she became more tired and lost interest. "

"The teacher's instructions were vague, so nobody knew exactly what to do. "

"a vague term of abuse"

"I haven’t the vaguest idea."

"a vague longing"

"The teacher's instructions were vague, so we weren't sure what to do for the project. "

"The teacher's instructions were vague, leaving us unsure of what to do next. "

"The teacher's instructions were vague, so the students didn't know exactly what to do for the assignment. "

"The directions for the project were vague, leaving everyone unsure of what to do. "