Adjective
Not conspicuous or noticeable; hardly discernible.
Source: Webster's dictionaryHe looked as inconspicuous as a tarantula on a slice of angel food. Raymond Chandler
I always try to suit my clothes to my company. It is the only way to be inconspicuous. John Buchan
Even on Central Avenue, not the quietest dressed street in the world, he looked about as inconspicuous as a tarantula on a slice of angel food. Raymond Chandler
he pushed the string through an inconspicuous hole Source: Internet
the invisible man Source: Internet
Before its catastrophic eruption of 1991, Pinatubo was an inconspicuous volcano, unknown to most people in the surrounding areas. Source: Internet