What's the difference between blush and blushless?

Blush

Definition:

(v. i.) To become suffused with red in the cheeks, as from a sense of shame, modesty, or confusion; to become red from such cause, as the cheeks or face.
(v. i.) To grow red; to have a red or rosy color.
(v. i.) To have a warm and delicate color, as some roses and other flowers.
(v. t.) To suffuse with a blush; to redden; to make roseate.
(v. t.) To express or make known by blushing.
(n.) A suffusion of the cheeks or face with red, as from a sense of shame, confusion, or modesty.
(n.) A red or reddish color; a rosy tint.

Example Sentences:

(1) The angiographic aspect settle them to established correlation between functional and non functional tumors: the formers characteristic "blush", agreeding in fact with the initial phase of the growth, increase in a monstruous "pseudoangiomatous" aspect in the laters.
(2) Angiography of the internal carotid artery was found useful in demonstrating vascular displacements and tumor blush.
(3) However, almost anything can be used to blush water into wine: fruits, vegetables, flowers, spices, teabags – whatever you think might taste good.
(4) It is concluded that the cervical sympathetic outflow is the main pathway for thermoregulatory flushing and emotional blushing and that diminution or absence of such vasodilator reactions is a usual component of Horner's syndrome unless the responsible lesion is confined to the first thoracic root.
(5) While Sergio Agüero has been known to leave it even later before sparing Manchester City’s blushes in the past, he could hardly have picked a better time to offer a reminder of the devastating qualities that make him the most potent striker in the Premier League when his troublesome hamstrings are not playing up.
(6) If the diagnosis is still unclear, selective angiography may reveal the tumor blush typical of osteoid osteoma.
(7) James focused a the "poor man's thermography"--a technique involving cooling of the breast by ethyl chloride sprayed onto a sponge and observing for a "blush" during recovery.
(8) In 58 patients with no blush, 48 showed a final diagnosis of malignant breast disease.
(9) An inflammatory blush, slow emptying of vessels and a mottled nephrogram with loss of cortical definition are highly suggestive signs of renal inflammation.
(10) In this age of frank public discourse, it ill-befits our newspapers or broadcasters – increasingly given to lurid language themselves – to chastise the PM for language that would make few people blush.
(11) Parents of children in the age range 3 to 12 years were asked about their children's embarrassment and blushing during the previous six months.
(12) Early venous filling and vascular blush have been known for a long time with cerebral inflammatory disease, but venous drainage through irregular veins is unusual.
(13) An angiogram done in one patient showed a capillary blush and early cortical draining veins in the corresponding area.
(14) The angiographic phase of the bone scan demonstrated a well-defined radionuclide blush within the pelvis just cephalad to the urinary bladder with persistent hyperemia noted in the blood-pool image.
(15) This model posits that people blush when they experience undesired social attention.
(16) Both absolute and proportional increases were consistent with the view that the greater vascular capacitance in the visible, superficial cutaneous vasculature in the blush area accounts for the limited distribution of flushing in response to a systemic stimulus.
(17) Steven Wood, associate in social housing litigation at Coffin Mew LLP "The housing strategy for England is hailed as 'radical and unashamedly ambitious' but at first blush appears to predominantly be a recycling of ideas that are already out to consultation or at various stages of being enacted by changes in the law.
(18) Left vertebral angiography demonstrated a faint tumor blush which was confirmed to be fed by the medial and the lateral posterior choroidal and the thalamo-perforating arteries bilaterally.
(19) As well as that season’s first, he also saved Flanagan’s blushes there; the young full-back had conceded a needless corner with a loose cushioned header sent in the vague direction of his keeper.
(20) Only blushing is an expression of a reaction behaviour characteristic of human beings only.