"indefatigable love" is a correct and usable phrase in written English.
It means a love that is tireless and unwavering, never giving up or growing tired. You can use this phrase in a variety of contexts, such as in literature, poetry, or personal writing. Here is an example sentence using "indefatigable love": "Despite all the obstacles and challenges, their love for each other remained indefatigable, never faltering or wavering."
She was an indefatigable teacher of love.
Rose is a cowering naïf who belongs to what is probably the last generation of young women to grow up entirely innocent, and Ms. Riseborough portrays her as an indefatigable fool for love.
Lana Del Rey, the polarizing torch-pop singer with a head full of ideas about celebrity's dangerous allure, will tour next year with Courtney Love, the indefatigable grunge survivor who's spent the past quarter-century living out those ideas.
Gennaro Gattuso is loved for his indefatigable battling.
A Punjabi folk singer who backs ancient songs with some plugged-in instruments, and a major star in South Asia, Mr. Lohar unleashed incantations praising divine love in his gutsy, indefatigable voice.
The Clock came from the imagination of an indefatigable Yorkshireman, Mike Richardson, for whom Fes was love at first sight.
They soon started dating and found they both loved English antiques, Cher (her indefatigable spirit more than her music), Martha's Vineyard, macaroni and cheese, and acting younger than their ages, which neither would reveal.
Prompted by closeness to the families of the dead -- wanting as they would to have their murdered loved ones cleared of all blame -- an indefatigable Derryman, Don Mullan, collected and published in 1997 an extraordinary tranche of previously unconsidered eyewitness testimony.
Many people working in the arts, or who love going to the theatre, will know the work of the indefatigable Jenny Sealey, artistic director of the disabled theatre company Graeae, who was co-director with Bradley Hemmings of the London 2012 Paralympics opening ceremony.
Jim's indefatigable approach to life will live on, and his family will continue to cook, laugh, and love as a result.
