Promising words (and what's hidden in this puzzle's four longest entries)

Question:

Answer:

IDO

Length:

Similar Crossword Questions:

New Haven collegian hidden in this puzzle's longest entries
Role model hidden in this puzzle's longest answers
Word hidden in this puzzle's longest answers
A different one is hidden in each of this puzzle's seven longest answers
They're hidden in this puzzle's six longest answers
Word hidden in this puzzle's theme entries
They're hidden in this puzzle's eight longest answers
Rap sheet letters hidden in this puzzle's longest answers
Job, figuratively, and what's inside each of this puzzle's four longest entries
Communications device described by the first words of the puzzle's four longest answers
Insincere talk, and a hint to the starts of this puzzle's four other longest entries
"Lady of letters" featured in this puzzle's four longest entries
Three-letter combinations hidden in this puzzle's six other longest answers
What the four longest entries in this puzzle (except this one) are examples of
Need bailing, or what five entries in this puzzle can do to make two overlapping words or phrases
Call hidden in this puzzle's eight longest answers that's apt for May Day?
2006 Disney film, and the ends of the eight longest entries in this puzzle
Adjective for the hidden words in this puzzle
Things hidden in this puzzle's eight longest answers
Featured article hidden in this puzzle's nine longest answers
Where to look for hidden words in this puzzle's fifth and eleventh columns?
Word that can come before the last word of this puzzle's longest entries
They're hidden in this puzzle's theme entries
Gym gear hidden in this puzzle's theme entries
Sophomoric grade found in this puzzle's three longest entries