in·​fill | \ ˈin-ˌfil How to pronounce infill (audio) \

Definition of infill

1 : material that fills in something (such as a hole or the spaces between a building's structural members) volcanic infill fiberglass infill The artificial turf being used contains infill that is made from recycled tires …— Greg Fitzpatrick It's framed with hand-hewn cypress posts and beams, though instead of … brick infill … the walls are formed from … a mixture of mud, moss, and animal hair that was once used by native Americans living in the area.— Amy R. Hughes
2 : new buildings constructed in the space available between existing structures Urban infill, a big theme these days in city planning, is essentially the opposite of "urban sprawl." As cities grow, planners are looking for ways to pack more people into places that are already developed.— Franklyn Cater often used before another nounSt. Louis must be the infill capital of the nation. Liberally scattered over the city, especially in the older parts, you see clumps and blocks of new apartments, condominia and row houses tucked in among centenarian neighbors.— E. F. Porterinfill housing

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Other Words from infill

infill verb, transitive + intransitive infilled; infilling
… it was easier to achieve the vaults themselves by building them of a framework of ribs infilled with webs. — James F. O'Gorman Stump holes can be expected to infill with material from the pit walls and immediate vicinity … — Jonathan D. Phillips et al.

Examples of infill in a Sentence

Recent Examples on the Web But new developments, including both neighborhood infill apartments and larger multiphase projects, are likely to be delayed until 2022 or 2023, which could eventually lead to a spike in rents and pricing as the economy recovers. J.k. Dineen,, "Short-term future of S.F. housing stormy, but sun will come out eventually," 28 Dec. 2020 Oceanside will use its grant to help establish new zoning standards that will encourage infill and redevelopment. Laura Groch, San Diego Union-Tribune, "Housing grants announced for Encinitas, Oceanside," 16 Nov. 2020 What could be one of Oceanside’s biggest residential infill projects was discussed at last month’s North County Transit District board meeting. Phil Diehl, San Diego Union-Tribune, "Defeat of Measure L follows trend of ballot-based development," 4 Nov. 2020 The method to reduce the heat is by treating the infill or sand to cool the entire turf system for sustained periods of time. Alex Kushel,, "Somerset Academy Canyons installs new turf field," 9 Oct. 2020 The Rebuild Duluth initiative, in which the city gives away free land to creative designs for infill projects, was launched last year to bring the cost of new homes down. Brooks Johnson, Star Tribune, "Sold! Twin Cities homebuyers spur run on Duluth homes," 25 Sep. 2020 Restore Oregon sees this as an exemplar of compatible infill design. oregonlive, "Historic preservation awards salute a wine-filled grain elevator, updated factories and other cool restorations (before, after photos)," 24 Sep. 2020 Fear of my congestion also creates incentives for infill development in dense urban areas, and for people to live closer to work, to walk and bike more, and to use ridesharing rather than owning cars. Joe Mathews, Fortune, "Admit it: You miss being stuck in traffic," 17 Aug. 2020 With all those previous infill projects, the sale price for the lots has been $1. Thomas Jewell, cleveland, "Vacant lot sales picking up in Shaker Heights," 4 Aug. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'infill.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of infill

1939, in the meaning defined at sense 1

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Time Traveler for infill

Time Traveler

The first known use of infill was in 1939

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Last Updated

17 Jan 2021

Cite this Entry

“Infill.” Dictionary, Merriam-Webster, Accessed 25 Jan. 2021.

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