Variant of the name Tanisha, meaning ambition in Sanskrit. It is a feminine given name. Tanisha \t(a)-ni-sha\ is pronounced Tanīṣā. Tanisha is the feminine equivalent of the name Tanish and is primarily a first name.
Tannishaa is that girl who needs constant validation from society, she's two faced and probably only talks to you because she might get something out of it, she has major fomo and would lose it if you didn't invite her to a party