'sentimental devotion' is a correct and usable part of a sentence in written English.
You can use the phrase to describe an emotional attachment or feeling of loyalty towards someone or something. For example, "Their sentimental devotion to the cause inspired them to work with newfound enthusiasm."
Mr. Berri's early work as a director included several comedies in which he played himself or someone very much like him: a character, often named Claude, with a sentimental devotion to his parents and a goofy, Chaplin-esque weakness for women.
His American awe-shucks humor and sentimental devotion to wife Nancy doesn't compute. .
Swift spared not the vice of rich or poor; and, disdaining to amuse the imaginations of his audience with discussion of dark points of divinity, or warm them by a flow of sentimental devotion, he rushes at once to the point of moral depravity, and upbraids them with their favourite and predominant vices in a tone of stern reproof, bordering upon reproach.
His reappearance as a mugging victim, shorn of spirit and convinced that death is near, sets the stage for "God's Army" -- which opens today at the 59th Street East Cinema (239 East 59th Street, Manhattan) -- to exhibit its faith in a manner that mingles sentimental drama with religious devotion.
Despite Maupin's trademark coziness and devotion to the sentimental, "The Night Listener" is a novel for an edgier era.
His other novels include the innovative The Trojan Horse (1937), a combination of prose, verse, and dramatic dialogue that satirized human devotion to luxury, and the sentimental best-seller Kitty Foyle (1939), about an office girl and a socialite youth.
"Proof" gets a bit simplistic and sentimental only when Ms. Moorhouse attempts to explain Martin's devotion to his photographic craft.
It means "total devotion".
This devotion is sincere.
