1. Without being seen
   "these organisms enter the body invisibly"

See also: invisible

Antonym: visibly

• beeswax
• beet
• beet armyworm
• beet blight
• beet green
• beet sugar
• Beethoven
• Beethovenian
• beetle
• beetle off
• beetle-browed
• beetleweed
• beetling
• beetroot
• befall
• befit
• befitting
• befittingly
• befog
• befogged
• befool
• befooling
• before
• before Christ
• before long