sustainment

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Definitions from WordNet

Noun sustainment has 1 sense

sustenance, sustentation, sustainment, maintenance, upkeep - the act of sustaining life by food or providing a means of subsistence; "they were in want of sustenance"; "fishing was their main sustainment"
--₁ is a kind of support

Derived form: verb sustain₃

Definitions from the Web

Sustainment

Sustainment refers to the act of supporting or maintaining something, often over a certain period of time. It can also represent the resources or supplies needed to sustain or continue an action or process.

Noun: Support or Maintenance

In this sense, sustainment refers to the act of supporting or maintaining something, such as a project, an organization, or a system.

Effective sustainment of a software project requires regular updates and bug fixes.

Noun: Resources or Supplies

Sustainment can also represent the resources or supplies required to sustain a particular action, project, or process.

The military operation's sustainment heavily relies on the delivery of essential food, fuel, and ammunition.

Adjective: Popular or Local

As an adjective, sustainment can refer to something that is widely accepted, favored, or supported by the general public or specific local communities.

The local artist's exhibit received sustainment from the community, leading to a successful turnout.