sustain

word

/səˈsteɪn/
suh-STAYN
/səstˈeɪn/
suh-STAYN

Definition

To keep something going or existing over time, or to provide the support needed to maintain it. It can be used for physical things, like a structure, or abstract things, like energy or progress.

Usage & Nuances

Common in formal, academic, and technical contexts. Often paired with nouns like 'sustain life', 'sustain growth', 'sustain damage'. Not typically used for short-term actions. Can also mean 'to suffer' in legal language ('sustain an injury'). Do not confuse with 'maintain' (which focuses more on regular care).

Example Sentences

How long can we sustain this pace at work?

natural

She couldn't sustain her energy through the whole event.

natural

Even after the bad news, he tried to sustain a positive attitude.

natural

It is hard to sustain a conversation with him.

basic

The bridge was built to sustain heavy loads.

basic

Plants need water to sustain growth.

basic