Invisibility as actual disappearance from sight, often found in fantasy or sci-fi contexts. The wizard's ring granted him invisibility in the face of danger.
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Metaphorical Usage
Used metaphorically, it can describe something that is present but not noticed. The new policy rendered the minority's struggles invisible.
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Emotional State
Describes feelings of being ignored or unacknowledged by others. At the party, his shyness plunged him into a state of invisibility.