Synonyms of filler

filler

noun

ˈfi-lər 

as in filling

soft material that is used to fill the hollow parts of something

the vase was packed in Styrofoam filler to protect it during shipping

Synonyms & Similar Words

• filling
• fill
• packing
• padding
• stuffing
• wadding
• lining
• quilting
• buffer
• pad
• bumper
• cushion
• fender
• interlining

Example Sentences

Recent Examples of filler

To go the distance, a larger fuel tank was given, along with a race-style oversize filler. — Howard Walker, Robb Report, 10 Aug. 2026

Common additives and fillers in saffron capsule supplements include rice powder, silica, stearic acid and acacia gum. — Bestreviews, Chicago Tribune, 7 Aug. 2026

United Russia, the country’s nominal ruling party, was never built to designate an heir; rather, it was meant to ensure that elections produced reliably pro-regime seat-fillers in institutions such as parliament. — Julian G. Waller, Foreign Affairs, 7 Aug. 2026

The condition can be treated with fillers or fat transfer procedures, though experts warn that the temples are a high-risk area for cosmetic injections because of the nearby blood vessels. — Anthony Thompson, USA Today, 7 Aug. 2026