| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| A vertical line, it's from the Latin for "to hang a plumb line" | perpendicular | $600 | DJ | 13-LETTER WORDS | 2000-01-24 | #3546 | |
| In math it means at a right angle to the horizontal | perpendicular | $800 | DJ | 13-LETTER WORDS | 1996-10-03 | #2779 | |
| Descriptive of a line at a right angle to the plane | perpendicular | $600 | DJ | 13-LETTER WORDS | 1985-02-04 | #106 |