What is a person called who likes to use big words to make others think they are superior? [duplicate]

single-word-requests

What is a person called who uses:

  1. Complicated vocabulary when a simple answer would be sufficient?
  2. Uses complex vocabulary to make others think they are highly educated
  3. Is unnecessarily verbose

You could describe the person as grandiloquent:

(of a person, their language or writing) given to using language in a showy way by using an excessive amount of difficult words to impress others; bombastic; turgid

Related

Violence incidents or violent incidents? [closed]
Why does the 3rd-person of verbs that end in -y follow the rule for plural nouns instead of verbs?
What's a more modern term for "yuppie"?
Does the Word "laden" Carry a Negative Connotation?
Proving a function $\frac{1}{2y}\int_{x-y}^{x+y} f(t) dt=f(x)$ is a linear polynomial
Does $f^{(n)} = 0$ imply that complex $f$ is a polynomial?
Graph Proof by induction.
Prove that $|x|<1$ implies that $\lim_{n \to \infty} x^n=0$
Proving that if $\Gamma \cup \{\gamma\}$ is inconsistent, then $\Gamma\vdash \neg\gamma$.
Prove $(\sum_{i=1}^{n}X_{i},\sum_{i=1}^{n}X_{i}^{2})$ is not a complete statistic for $N(\mu,\mu^2)$ distribution
Example of a group $G$ such that $G = N_1\cdots N_n$ and $N_i \cap N_j = \{e\}$ for all $i \neq j$ but $G$ is not the internal direct product of them.
When does a complex matrix have a square root?