Function: adjective
Date: 1974
: having or involving an inconspicuous but effective point of observation < fly-on-the-wall observations of aspects of daily life ― Will Manley>
Function: adjective
Date: 1974
: having or involving an inconspicuous but effective point of observation < fly-on-the-wall observations of aspects of daily life ― Will Manley>
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012