What is the meaning of Mennä?

to go [with illative of third infinitive ‘to do’] (move away from a point of reference)

to go, extend

to go, lead (of a path, etc.)

to go, turn out, proceed

to go, enter, get, begin, start [ with illative; or with translative; or with adverb] (general verb for describing entering some kind of state)

to be spent; take, pass, spend, go (time, resources, etc.)

to go (and [do]) [with illative of third infinitive] (do an action, implying that someone should be criticized for doing it)

to go, fit [with illative ‘in/into’]

to do, be good enough

to sell

Alternative form of männä

to go

to leave

to fit

to go by

to die

to become wasted

Source: wiktionary.org