важничать meaning in English

give oneself airs▼(to act pretentiously)
verb
[UK: ɡɪv wʌn.ˈself eəz] [US: ˈɡɪv wʌn.ˈself ˈerz]

put on airs▼(become haughty, assume a haughty manner)
verb
[UK: ˈpʊt ɒn eəz] [US: ˈpʊt ɑːn ˈerz]

prance [pranced, prancing, prances]▼(to strut)
verb
[UK: prɑːns] [US: ˈpræns]

strut [strutted, strutting, struts]▼(to walk haughtily or proudly)
verb
[UK: strʌt] [US: ˈstrət]

swagger [swaggered, swaggering, swaggers]▼(to act in a pompous manner)
verb
[UK: ˈswæ.ɡə(r)] [US: ˈswæ.ɡər]