(product development) project

big, large, great

A burden, charge, or responsibility.

To bear or assume a responsibility; to incur a cost.

project (planned endeavour)

(chiefly women's speech) first person singular pronoun: I, me

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me

personal, private / secret