The phrase "accidentally noticed" is correct and usable in written English.
It can be used when describing an observation that was made unintentionally or without prior awareness.
Example: "While cleaning the attic, I accidentally noticed an old photo album hidden behind some boxes."
Alternatives: "unintentionally observed" or "casually spotted".
Either wrap up several gifts in a separate box, or if the gift is larger than one other gift box, have it in a place where you can be assured your kids can't accidentally notice the first time around and move it shortly before the scavenger hunt begins.
With the exception of choriocarcinoma, which gives early haematogenous metastases, testicular tumours usually become apparent in their primary location with painless or slightly painful enlargement of the testicle noticed accidentally by the patient himself.
They met after she noticed him accidentally scoring four consecutive points for the opposing team in a freshman basketball game.
"I accidentally didn't notice that I got out on the wrong floor of the building I'm staying in and fully just ran into somebody else's apartment ... thinking that it was mine". .
Watching the crowd during the last few hours of Saturday's demonstration, Lebowitz noticed pedestrians wander accidentally into Paramount Plaza, and stay, to join the protests.
One evening, in her early 20s, a group of police officers assaulted her after one cop noticed she'd accidentally left on some eyeliner.
The Trio's guitarist, Paul Burlison, explained that he noticed the sound after accidentally dropping his amplifier, which dislodged a power tube and later, "whenever I wanted to get that sound, I'd just reach back and loosen that tube".
He noticed because he caught one accidentally — a gleaming 195-pounder — in 1986.
Upon publication of the original article [1], the authors noticed that Figure 1 had accidentally been changed to Figure 5.
