filling

noun

fill·​ing ˈfi-liŋ 

1

: an act or instance of filling

2

: something used to fill a cavity, container, or depression

3

: something that completes: such as

a

: the yarn interlacing the warp in a fabric

also : yarn for the shuttle

b

: a food mixture used to fill pastry or sandwiches

a fruit filling

Synonyms of filling

• fill
• packing

Examples of filling in a Sentence

a filling for a tooth

pies that need more filling

Recent Examples on the Web

The colorful, flavorful wrappers are as fun as the fillings (which range from cilantro or kimchi pork to butternut squash and shrimp to tofu, mushroom and kale), and the variety of dipping sauces (classic, ginger smash, gochujang and old godmother spicy peanut) make every bite an adventure. —Jess Fleming, Twin Cities, 19 Mar. 2026

Adults would line up around the block for cupcakes that came out of vending machines; a company selling jumbo cupcakes with custard filling IPO’d at $13 a share, and people raced to buy a sheet of miniature tie-due cupcakes for $45. —Eva Roytburg, Fortune, 19 Mar. 2026

Generously pipe filling into hollow of each egg white half (save any leftover filling in the fridge for another use). —Shilpa Uskokovic, Bon Appetit Magazine, 17 Mar. 2026

Pillows with 100% cotton covers and 100% polyester filling outfit any couch or chair with a sweet design. —Tory Johnson, ABC News, 17 Mar. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 1

Phrases Containing filling

• filling station

Rhymes for filling

• billing
• chilling
• drilling
• grilling
• killing
• milling
• pilling
• rilling
• schilling
• shilling
• skilling
• spilling

Kids Definition

filling

noun

fill·​ing ˈfil-iŋ 

1

: material that is used to fill something

a filling for a tooth

2

: something that completes: as

a

: the yarn crossing over and under the warp in a fabric

b

: a food mixture used to fill pastry or sandwiches

Medical Definition

filling

noun

fill·​ing ˈfil-iŋ 

1

: material (as gold or amalgam) used to fill a cavity in a tooth

2

: simple sporadic lymphangitis of the leg of a horse commonly due to overfeeding and insufficient exercise