The phrase "collective endeavour" refers to a group of people working together towards a common goal or objective. It emphasizes the idea that individuals combine their efforts, skills, and resources to achieve something as a team. Full definition
And all this antagonism comes from the party that preaches the merits of collective endeavour, unity and solidarity. (totalpolitics.com)
He added: «This demonstration today is about workers rights, it is about collective endeavour but above all, it's a declaration that we're around to campaign as long as it takes, to bring about that social justice and that decency in society.» (itv.com)
Because collective bargaining and striking are by definition collective endeavours, they could not be performed by an individual person and thus fell outside of section 2 (d) protection. (lawnow.org)