invisibly

Everyday

1. Invisibly means in a way that cannot be seen. tree →
2. Invisibly can mean without people noticing, quietly in the background. tree →

In the lessons

Science: air and gases move invisibly; germs spread invisibly. Stories: a ghost or a spy moves invisibly. Everyday: helpers who work invisibly.

Examples

• Germs spread invisibly from hand to hand. tree →
• The gas leaked invisibly into the room. tree →
• The magician's thread was invisibly thin. tree →
• Volunteers work invisibly to keep the park clean. tree →
• Radio waves travel invisibly through the air. tree →
• The cat slipped invisibly through the shadows. tree →

Note

Adverb of «invisible» (-ible → -ibly). Opposite: visibly.