to support, hold, or bear up from below; bear the weight of, as a structure.
to bear (a burden, charge, etc.).
to undergo, experience, or suffer (injury, loss, etc.); endure without giving way or yielding.
to keep (a person, the mind, the spirits, etc.) from giving way, as under trial or affliction.
to keep up or keep going, as an action or process: to sustain a conversation.
to supply with food, drink, and other necessities of life.
to provide for (an institution or the like) by furnishing means or funds.
to support (a cause or the like) by aid or approval.
to uphold as valid, just, or correct, as a claim or the person making it: The judge sustained the lawyer's objection.
to confirm or corroborate, as a statement: Further investigation sustained my suspicions.
Origin of sustain
1250–1300; Middle English suste(i)nen<Anglo-French sustenir,Old French <Latin sustinēre to uphold, equivalent to sus-sus- + -tinēre, combining form of tenēre to hold
To be sure, Russia’s economic ability to sustain its expansionism is questionable.
Butterfly Effect: The Next U.S.-Russia Conflict Theater Could be the Mediterranean|Charu Kasturi|September 17, 2020|Ozy
In some countries, officials are concerned not only that Facebook and Google are capturing much of the advertising dollars that have sustained journalism, but also with the types of articles getting shared.
Facebook plans to block users in Australia from sharing news|Claire Zillman, reporter|September 1, 2020|Fortune
The idea is that prices will only face sustained upward pressure when the economy is using all its resources –- including labor.
After $20 trillion in pandemic relief spending, there’s still no sign of inflation. What happened?|Bernhard Warner|August 25, 2020|Fortune
We’re trying to make enough for food, to sustain our households.
Coronavirus Hit Latinos Harder Thanks to a Perfect Storm of Disparities|Maya Srikrishnan|August 12, 2020|Voice of San Diego
Earlier, in the Jurassic and Cretaceous periods, dinosaurs roamed Antarctica because enhanced volcanic activity, in the absence of those mountain chains, sustained carbon dioxide levels around 1,000 parts per million, compared to 415 ppm today.
How Earth’s Climate Changes Naturally (and Why Things Are Different Now)|Howard Lee|July 21, 2020|Quanta Magazine
A winning team may pack the stadium, but you need that packed stadium to get top recruits and sustain victories.
How The University of Wisconsin Badgers Are Bucking the Big Ten Ticket Flop|Brian Weidy|October 31, 2014|DAILY BEAST
How long can they sustain this momentum without falling victim to the same pitfalls as nearly every other long-running series?
Will Gardner Had to Die So That ‘The Good Wife’ Could Thrive|Jason Lynch|September 19, 2014|DAILY BEAST
Duhozanye has the land and the need, but lacks the $300,000 it will cost to build and sustain.
After the Genocide, Rwanda’s Widows Aging Alone|Nina Strochlic|August 31, 2014|DAILY BEAST
But fluctuations of mere feet during its flood season could sustain the rise of empires, or hasten their fall.
The Nile: Where Ancient and Modern Meet|William O’Connor|June 21, 2014|DAILY BEAST
Moreover, any truly effective coordination would be politically controversial, logistically problematic, and hard to sustain.
How Iran and America Can Beat ISIS Together|Ben Van Heuvelen|June 21, 2014|DAILY BEAST
But now the boiler proved to be too small to furnish steam steadily in sufficient quantity to sustain the higher speed.
A History of the Growth of the Steam-Engine|Robert H. Thurston
For the most part, they were not unwilling to sustain the Turkish Government.
With the Turks in Palestine|Alexander Aaronsohn
Of all the property spared them by previous oppressors, nothing was left to sustain the miserable survivors.
The Rise of the Hugenots, Vol. 1 (of 2)|Henry Martyn Baird
Of course we were rather substantial, and our wings did seem too thin and small to sustain us satisfactorily.
Life on the Stage|Clara Morris
How, then, could I hope to sustain a week of isolation in that lonely spot?
The Monk and The Hangman's Daughter|Adolphe Danziger De Castro and Ambrose Bierce
British Dictionary definitions for sustain
sustain
/ (səˈsteɪn) /
verb(tr)
to hold up under; withstandto sustain great provocation
to undergo (an injury, loss, etc); sufferto sustain a broken arm
to maintain or prolongto sustain a discussion
to support physically from below
to provide for or give support to, esp by supplying necessitiesto sustain one's family; to sustain a charity
to keep up the vitality or courage of
to uphold or affirm the justice or validity ofto sustain a decision
to establish the truth of; confirm
noun
musicthe prolongation of a note, by playing technique or electronics