Infinity
/ˌɪˈnfɪnɪti/
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Definition
(noun) endlessness, unlimitedness, absence of a beginning, end or limits to size.
Sentence Examples
The two mirrors facing each other created a repeating image that went on to infinity.
Infinity can't really be understood by the human mind.
CEFR Practice Quiz
The mathematician explained the concept of ____ as something that never ends and has no limit.