Skip to word definition
English
CEFR B1

sustain

Rank #4393 in frequency ranking in frequency

Quick Actions

Meanings & Definitions

verb

Example Sentences

"Her encouraging words helped sustain my hope during difficult times"

"How long can we sustain this level of effort before needing a break?"

"The strong bridge can sustain heavy trucks"

"Please sustain your focus during the entire presentation"

"How long can we sustain this level of effort without burning out?"

AI Word Assistant

Ask anything about sustain in en

Quick Prompts

Ask me anything about this word!

Try a quick prompt or type your own question.

AI responses are powered by DeepSeek AI. If you encounter errors, please try again later.

This AI assistant can help you understand nuances, usage, and more about sustain. Powered by w9999 AI.

Premium Feature

Master "sustain" with W9999

Everything you need to remember this word

AI Tutor

Personalized explanations & practice

Smart Flashcards

Spaced repetition system

Progress Tracking

Daily streaks & achievements

✓Free forever
✓No credit card
✓Start in 30s
Save "sustain"
W

W9999 Language Learning

Master vocabulary with AI-powered tools

© 2026 W9999. Free for everyone, forever.