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