What is the meaning of Nj?

The twentieth letter of the Albanian alphabet, written in the Latin script.

A letter of the Avokaya alphabet, written in the Latin script.

of, belonging to

made of (a material or composition)

of, possessing (a quality)

introduces the agent of an infinitive when it is a personal pronoun

there is no, there are no; introduces an independent negated existential clause

not; negates any sentence

not; negates a nominal sentence, an adjectival sentence of possession, or the rheme of an emphatic clause (used with js; see Usage Notes below)

not; negates most verbal predicates besides infinitival, imperative, and subjunctive forms; forms the negation of the perfect, perfect passive, terminative, perfective, imperfective, prospective, and prospective passive.

no, not any; negates an individual noun

not; negates other individual words

for it, to it, thereto, therefor

because of it, therefore

Alternative form (before a noun) of n (“to, for”)

A letter of the Fula alphabet, written in the Latin script.

abbreviation of nu știu (“I don't know”)

The twentieth letter of the Serbo-Croatian alphabet (gajica), written in the Latin script; preceded by n and followed by o.

him (clitic accusative singular of ȏn (“he”))

it (clitic accusative singular of òno (“it”))

Source: wiktionary.org