Definition of "sustain" []

To keep in existence; maintain. (verb-transitive)
To supply with necessities or nourishment; provide for. (verb-transitive)
To support from below; keep from falling or sinking; prop. (verb-transitive)
To support the spirits, vitality, or resolution of; encourage. (verb-transitive)
To bear up under; withstand: can't sustain the blistering heat. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "sustain" in a sentence

"Because the Bush Administration vowed to keep ‘the war’ going, as in sustain combat activities indefinitely, absent any ultimate victory."
"Good starts are great, but being able to sustain is important."
"The "mark of difference" that the lyrical ballads sustain is "that each of them has a worthy purpose.""

Words like "sustain"

acknowledge admit back back up

demonstrate document establish prove

shew show sustained sustaining

sustains sustenance verify vouch