1. In an unobtrusive manner
   "messengers were moving unobtrusively over the jet-black mountain ranges, bearing confidential tidings from sheikhdom to sheikhdom"

See also: unobtrusive

Antonym: obtrusively

• bolometer
• bolometric
• boloney
• Bolshevik
• bolshevise
• Bolshevism
• Bolshevist
• Bolshevistic
• bolshevize
• bolshie
• bolshy
• bolster
• bolster up
• bolt
• bolt cutter
• bolt down
• bolt of lightning
• bolt out
• bolt-hole
• bolter
• bolti
• Boltonia
• Boltzmann
• Boltzmann distribution law
• Boltzmann's constant