The phrase "a blurred border" is correct and usable in written English.
It can be used to describe a situation where the distinction between two things is unclear or indistinct, often in contexts like art, identity, or boundaries.
Example: "In her latest painting, the artist explores the concept of identity through a blurred border between reality and imagination."
Alternatives: "fuzzy boundary" or "indistinct line".
We position mobile technology along an increasingly blurred border between work and leisure, and we conceptualise the use of mobile phones for the symbolic creation, demarcation, and integration of public and private spaces in a digitally connected urban environment.
The conductor showed a sharp contrast at the eastern border compared with a blurred western border.
In early November, after the Houthis had apparently attacked Saudi forces across the blurred border, the Saudi air force and ground troops responded against Houthi positions.
And so, Mr Middelhoff says, he "drew the consequences".Mr Middelhoff stepped over the blurred border between matters of strategy and those of corporate cultureIn other words, Mr Middelhoff stepped over the blurred border between matters of strategy and those of corporate culture.
Some live at home; others drive back on weekends to eat their mothers' food, do loads of laundry and go to high school basketball games, still straddling the blurred border between childhood and adulthood.
In the paper the research programme aims to define the blurred border between ordinary concrete and SFRC (made on the basis of aggregate of a largest size of 4 mm).
The stage play (and movie) that best captures the blurred border between honest b.s. and flat-out lies is The Music Man.
Delving into these wetlands, she finds in their array of strange fauna and flora an objective correlative to the place in the mind where artistic inspiration occurs: a place of blurred borders, shifting identity, and strange odors, of rot and death, of Zen peacefulness.
Neurological examination showed a contraction of the masseter muscles with pronounced stiffness of the jaw, diplopia and loss of visual acuity in the left eye, left gaze nystagmus with a rotary component, papillae with blurred borders and positive bilateral Babynski's, and polykinetic tendon reflexes in all four limbs.
