Of equivocal value

Every Thursday afternoon, I attend a meeting in a conference room that is apparently used for some kind of English class earlier in the day. I know this because there is an easel in the room with a different vocabulary word on it every week. Today's lesson, however, was rather disconcerting, as it read:

Equivocate:
- Ambiguous
- Unclear

"politicians speech contains equivocate statements"

Equivocate, of course, is a verb. The adjective the teacher was looking for is equivocal. I grabbed the nearest marker and made a note of this on the easel, and can only hope the correction reaches the eyes of the misled students.