What's the difference between derision and ridiculosity?

Derision

Definition:

(n.) The act of deriding, or the state of being derided; mockery; scornful or contemptuous treatment which holds one up to ridicule.
(n.) An object of derision or scorn; a laughing-stock.

Example Sentences:

(1) In fact the then president, Amadou Toumani Touré, known as "ATT" more out of derision than any sense of affection, was viewed as deeply corrupt and incapable of delivering the changes that Mali – still one of the five least-developed countries in the world – needed.
(2) Spanish football fans’ habit of waving white hankies tends to be derisive, signifying that they wish a hapless manager to be put out of their club’s misery.
(3) Waitrose evokes strong opinions: from sniffy derision about the supermarket's perceived airs and graces to expressions of joy from middle-class incomers when their gentrified area is blessed with a branch.
(4) Striker Gonzalo Higuaín was also the victim of fan derision when he came on to replace Karim Benzema in the second half, but Karanka insisted the Argentinian still has the backing of the club.
(5) And at the same time, speaking to black America, he branded Frazier an Uncle Tom, turning him into an object of derision and scorn.
(6) "I think 20 millisieverts is safe but I don't think it's good," said Itaru Watanabe of the education ministry, drawing howls of derision from the audience of participants.
(7) At which point – obviously – you reach the stubborn limits of the debate: from even the most supposedly imaginative Labour people as much as any Tories, such heresies would presumably be greeted with sneering derision.
(8) The launch of a Greene King “craft” range in 2013 brought angry howls of derision .
(9) He has been derided in these pages, but that derision is surpassed by the venomous hatred of the Daily Mail , which loathes the Cameron government in any case and particularly despised Mitchell in his previous job.
(10) And yet for someone confronting futility and derision, he appears remarkably cheerful.
(11) For reasons which are unfathomable Daniel became a target for derision, abuse and systematic cruelty."
(12) The autonomy of sport must be guaranteed.” After attracting derision for last week appearing to suggest that football could bring peace to the Crimea through the 2018 World Cup in Russia, Blatter returned to the subject in an otherwise low-key address.
(13) You couldn’t make it up, could you?” He hoots with derisive laughter.
(14) Another theory, which goes back in some form to ancient Greek philosophy, argues that all laughter is an expression of superiority: it is, in other words, always an aggressive response, a form of derision or mockery (laughing at, rather than with).
(15) The AU delegation - made up of South Africa , Uganda, Mauritania, Congo-Brazzaville and Mali - left the talks looking glum, without making a public comment and to the derisive shouts of the protesters outside the hotel.
(16) Gold swiftly retweeted the picture, prompting widespread derision, before explaining his error by claiming he had not realised it was an image of Antonio but while the winger was not offended, the label stuck.
(17) The explanation was greeted with derision by Kenyans on Twitter.
(18) He was very firm of purpose and yet a gay, exuberant, laughing man – gloom, cynicism, derision, despair, all peculiarly Irish devils, could not hold up their heads in his company.
(19) But the easy derision for those public figures probably grows from the sense that music, acting and even reporting all are easy pursuits.
(20) Additional information provided indicated that the most helpful categories of interventions included (1) validation; (2) advocacy; (3) empathic understanding; and (4) absence of derision or contempt.