selflessly, devotedly, whole-heartedly
Она беззаветно служила своей семье.
She devoted herself selflessly to her family.
Она лю́бит его беззаветно.
She loves him devotedly.
Он беззаветно любил свою родину.
He loved his homeland wholeheartedly.
WiktionaryPONSbab.laReverso
