Skip to word definition
English
CEFR A2

underground

Rank #2424 in frequency ranking in frequency

Quick Actions

Meanings & Definitions

adjective

Example Sentences

"The ants built their home underground"

"We store our potatoes in the cool underground cellar"

"I feel so safe in my cozy underground bunker during storms"

"Take the underground train to reach the museum faster"

"Have you ever explored the underground tunnels beneath the city?"

AI Word Assistant

Ask anything about underground 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 underground. Powered by w9999 AI.

Premium Feature

Master "underground" 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 "underground"
W

W9999 Language Learning

Master vocabulary with AI-powered tools

© 2026 W9999. Free for everyone, forever.