filler

US /ˈfɪl.ɚ/
UK /ˈfɪl.ɚ/
"filler" picture
1.

a substance or material used to fill a space or cavity

:
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The dentist used a white filler to repair the tooth.
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We need more filler to smooth out these cracks.
:
paddingstuffingpackingwaddinggrout
2.

something that fills a gap or a period of time, often without being essential or significant

:
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The talk show used a lot of musical filler between segments.
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His speech was mostly filler, with little substance.
:
paddinginterludestopgapgap-fillermakeshift