I joyfully danced with this equipment not noticing that it was a hammer
In a sentence, the subject is the word that tells what it is about. In the sentence "watching the light turn yellow" the subject would be the word watching.
The act of procreating and noticing the resemblance in your baby and comparing it to yourself is narcissistic. Believing you are above and better than all humans is much more narcissistic than is noticing a physical resemblance of yourself in your baby.
The word could be; Acknowledge, aware.
If the hay is loosely packed, you can easily burrow through a haystack. He jumped from the roof onto a haystack, not noticing the pitchfork that was left in it.
Spell check
Before buying the land, he discreetly investigated the owners of the neighboring farms.After noticing the suspicious activity, he discreetly confided his concerns to his friend, the head of security.
Example sentence - If she were careful, she could glance in his direction without him noticing her.
Most people spell the word Health as helth not noticing the "a"
to be observant: to be hard to hide things from, to notice everything.
connecting a word to another word
The invisible man quietly slipped through the room without anyone noticing his presence.