unlike

adj

1. Not like; dissimilar (to); having no resemblance; unalike.

   “The brothers are quite unlike each other.”

   “It may be conjectured with some confidence that it is very unlike what is called the Wild and sometimes the Woolly West, which I did not see.”

2. Unequal.

   “They contributed in unlike amounts.”

   “The earth is unlike the wire in size, resistance, and carrying capacity. Hence, telephone service calk for two wires of equal size, resistance, and carrying capacity.”

   “Commodities utterly unlike each other in all apparent physical properties, such as color, weight, size, shape, substance,”

   “Reduction in time makes possible more frequent steamship services, more rapid delivery and lower operating costs. The actual economy effected is different for vessels of unlike speed and types.”

   “At the Bank of Zurich, Savoy deposited the fifteen million francs into two separate accounts in unlike amounts — so that authorities wouldn't see the same amount coming out of Bank Suisse and being deposited minutes later at the Bank of Zurich.”

3. (archaic)Not likely; improbable; unlikely.

prep

1. Different from; not in a like or similar manner.

   “The disgust I felt after watching last weekend's horror movie was unlike anything I had felt before.”

   “Hal kept pace beside her in his ambling, arm-swinging way. He walked unlike other men she knew, like someone who had never carried a briefcase.”

   “These drugs work unlike any medicine ever created.”

   “She goes to preschool, plays with dolls, and she loves to draw and paint. But Marla paints unlike any other four-year-old in the world.”

2. In contrast with; as opposed to.

   “Claudia hardly ever drinks beer or wine, unlike Phillip, for whom the bar is practically a second home.”

   “Canadians can not bring a "national" piece of litigation, unlike what can be done in the United States.”

   “Unlike the elbows-out jostling in New York, there will be no campaigning:”

   “But unlike many other tunnels that lay idle and decaying, Catesby has now found a new use as an aerodynamic wind tunnel for the motor industry.”

   “Antarctica, like outer-space, is known as an ICE environment – isolated, confined and extreme – meaning unlike other isolated communities, the rate of change for its vocabulary can be slower.”

3. Not typical of one's character or personality.

   “Being late is unlike him.”

noun

1. Something that is not like something else; something different.

   “2012, J. Bogen, J. E. McGuire, How Things Are: Studies in Predication and the History of Philosophy and Science If the beings are many, then they must be likes and unlikes. But this is impossible, for unlikes cannot be likes, and likes cannot be unlikes.”

2. (Internet)The act of withdrawing one's like from a post on social media.

   “Getting an unlike for every 20 likes is common and not something you need to be losing sleep over.”

   “On Facebook, users can also hide anyone in their network, including companies, from their News Feed, which is worse than an unlike, as brands cannot measure how many people still like them but have hidden their status updates […]”

verb

1. To dislike.

   “The incounters of the times have been nothing favourable and prosperous for the invention of knowledge, so as it is not only the daintiness of the seed to take, and the ill mixture and unliking of the ground to nourish or raise this plant, but the ill season also of the weather, by which it hath been checked and blasted.”

   “We are not insensible of the fact that these principles ever will be unliked by the men of tho world”

   “"He doesn't seem to be unliked by anyone, no." Scott's lawyerly impulse was to dismiss any and all advice or speculation made by this woman who used "unliked" rather than "disliked"”

   “Certainly nobody spoke to me, though plenty of them gave me an unliking look.”

2. To cancel a "like" action.

   “I unliked the post after I found out the author was racist.”

   “Facebook, for instance, allows you to register approval for a posted message in a very concrete way, by clicking a thumbs-up like button. Toggling off the button results in unliking your previously liked item. Note that this is different from disliking something, since unliking simply returns you to a neutral state.”

3. (broadly)To cancel a "like" action.

   “My comment was more of a backhanded slap at Stern Pinball's Facebook "presence", specifically the garbage "cheap heat" posts. […] It's so inane (and now, so constant) that I wound up "unliking" stern pinball entirely.”