What does fillers mean in crosswords?

fillers means: Materials or items used to fill space.

Which crossword clues can have fillers as the answer?

Possible clues for fillers include "Space-taking material".

Word entry · 7 letters

Best crossword clue

"Space-taking material"

7 letters · collected on this word page

7 lettersSorted efillrsStarts with FEnds with S1 cluesCommon crossword word

1F2I3L4L5E6R7S

01“Space-taking material”7 letters

Not quite right?

F______