A person can tirelessly work to get ahead, but they will always end up right back in the same place.
He worked tirelessly even in the last year of his life.
He worked tirelessly to help the club through a difficult financial period.
Right up to the end, she worked tirelessly to help Europe.
He was a member of the executive committee all his life and has worked tirelessly as secretary for many years.
He has worked tirelessly to get the best possible deal for businesses and workers.
He worked tirelessly to improve himself, from beginning to end.
The teachers work tirelessly both inside and outside the classroom'.
Together, they worked tirelessly in helping to move things forward.
Still, this is a play that works tirelessly to please.