What the self-contradictory words found in this puzzle's theme answers are examples of

Question:

Length:

Similar Crossword Questions:

Attendance check, and a hint to the puzzle theme in the first words of the starred answers
Weather Channel feature (it's the puzzle theme found in a quintet of answers)
Choice words swapped in this puzzle's theme answers
"The wart stops here" product, and a hint to the theme found in eight puzzle answers
Alternative words used as alternatives for each other in this puzzle's theme answers
Compound found in perfume and this puzzle's theme answers
Tip, and a hint to this puzzle's theme found in five answers
This puzzle's theme found in the answers to five asterisked clues
Reservoir, and hint to puzzle theme found in seven long answers
Postseason gridiron game, and a hint to the puzzle theme found in starred answers
AprÃ¨s-___ (following a day on the slopes -- and, literally, where the first words of the four longest puzzle answers can be found)
Number of times this puzzle's theme word appears diagonally in the grid (to complete the puzzle, shade those words plus the Down answers that begin where they meet)
___ to school . . . or a hint to the puzzle theme suggested by the ends of five answers
Commercial interruptions literally found in this puzzle's three other longest answers
New element whose name will be ratified in January, 2010, and whose symbol appears in the middle of this puzzle's theme answers
Bit of footwear that appears at both ends of this puzzle's theme answers
What presidential term limits mercifully ensure, and each of this puzzle's theme answers "receives"
Sequence found in this puzzle's five longest answers
Like the theme words in this puzzle?
Comic that comes to an end on October 3rd, and whose catchphrase ends this puzzle's theme answers
The pairs of letters inserted into each of this puzzle's theme answers, for example
'Old MacDonald' sequence found in this puzzle's 10 longest answers
Where extra words have been added to four answers in this puzzle
Element of surprise in this puzzle's theme answers
Place to use this puzzle's theme words?