Definition of "unlike"
unlike1
adjective
comparative more unlike, superlative most unlike
Quotations
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.
1928, Emory Richard Johnson with Grover Gerhardt Huebner and George Lloyd Wilson, Principles of transportation
(archaic) Not likely; improbable; unlikely.
preposition
noun
plural unlikes
unlike2
verb
third-person singular simple present unlikes, present participle unliking, simple past and past participle unliked
Quotations
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.
1603, Francis Bacon, “Of the Interpretation of Nature”, in The Works of Francis Bacon, translation of original by Valerius Terminus, page 136
(Internet) To withdraw support for a particular thing, especially on social networking websites.
Quotations
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.
2009, Ben Zimmer, “On Language: The Age of Undoing”, in The New York Times Magazine, 2009 September 20, page MM8
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.
2010 June 25, TheKorn, “Re: Pinball: RGP and/or Facebook”, in rec.games.pinball (Usenet)
noun
plural unlikes
(Internet) The act of withdrawing one's like from a post on social media.
Quotations
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 […]
2014, Ekaterina Walter, Jessica Gioglio, The Power of Visual Storytelling, page 13