Here are the possible solutions for quickly and without warning as illustrated by this puzzle's long down answers clue
Answer
Clue
Relevancy
atthedropofahat
Clue
Quickly and without warning...as illustrated by this puzzle's long down answers
eon
Clue
Long long long long long long long time
Definition
a long period of time, also AEON
raincatsanddogs
Clue
Really come down, as illustrated by hidden words in six starred answers
tmi
Clue
Brief version of this puzzle's title hidden in eight long puzzle answers
four
Clue
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)
Definition
the cardinal number next above three
wordsquare
Clue
Classic letter puzzle -- or, when parsed differently, a hint to three Down answers in this puzzle
inthehole
Clue
Warning before a detonation ... and a hint to 16 of this puzzle's answers
