vaguespot
nounUK /ˈveɪɡspɒt/
US /ˈveɪɡspɑːt/
A vaguespot is a blurry or unclear mark you can see but not quite make out.
From far away, the stain on the wall looked like a vaguespot.
OTHER MEANINGS
2. A place that is hard to find or not well known.
The picnic was held at a vaguespot off the main road.
3. A weak or unclear signal on a screen or radar.
The radar showed a vaguespot near the edge of the map.
4. A moment or detail that is difficult to remember clearly.
His memory of that day was just a vaguespot.