: one that fills: such as
a
: a substance added to a product (as to increase bulk, weight, viscosity, opacity, or strength)
b
: a composition used to fill the pores and grain especially of a wood surface before painting or varnishing
c
: a piece used to cover or fill in a space between two parts of a structure
d
: tobacco used to form the core of a cigar
e
: material used to fill extra space in a column or page of a newspaper or magazine or to increase the size of a work (such as a book)
f
: a pack of paper for a loose-leaf notebook
g
: a sound, word, or phrase (such as "you know?") used to fill pauses in speaking
plural fillers also filler
: a monetary subunit of the forint see forint at Money Table
Cite this Entry
“Filler.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/filler. Accessed 1 Sep. 2026.
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