noun, plural nul·li·ties for 2–4.
- the state or quality of being null; nothingness; invalidity.
- something null.
- something of no legal force or validity.
- a person of negligible importance.
noun plural -ties
- the state of being null
- a null or legally invalid act or instrument
- something null, ineffective, characterless, etc
1560s, from French nullité (14c.) or directly from Medieval Latin nullitalis, from Latin nullus “not any” (see null).