- for the special purpose or end presently under consideration: a committee formed ad hoc to deal with the issue.
- concerned or dealing with a specific subject, purpose, or end: The ad hoc committee disbanded after making its final report.
Origin of ad hoc
in hoc signo vinces
- in this sign shalt thou conquer: motto used by Constantine the Great, from his vision, before battle, of a cross bearing these words.
- after this; afterward.
post hoc, ergo propter hoc
- after this, therefore because of it: a formula designating an error in logic that accepts as a cause something that merely occurred earlier in time.
- because of this.
- as much as this; to this extent.
et hoc genus omne
- and all this (or that) sort of thing.
Examples from the Web for hoc
Every day to wander out of doors till after nine, hoc non pergit.Debts of Honor
Hoc erat in votis, I should indeed have been happy to have had you for a guest.Samuel Brohl & Company
So to church they went; and Staines, whose motto was "Hoc age," minded his book.A Simpleton
But to introduce it into an old society, hic labor, hoc opus est!Colloquies on Society
For the principal characteristic of Essence is to be separable and Hoc Aliquid.Aristotle
- for a particular purpose only; lacking generality or justificationan ad hoc decision; an ad hoc committee
- logic the fallacy of assuming that temporal succession is evidence of causal relation
Word Origin and History for hoc
Latin, literally "this."
Latin, "after this." Especially in post hoc, ergo propter hoc, logical fallacy, literally "after this, therefore because of this."
Latin, literally "for this (specific purpose)."
Idioms and Phrases with hoc
For the special purpose or end at hand; also, by extension, improvised or impromptu. The term, Latin for “to this,” is most often used for committees established for a specific purpose, as in The committee was formed ad hoc to address health insurance problems. The term is also used as an adjective (An ad hoc committee was formed), and has given rise to the noun adhocism for the tendency to use temporary, provisional, or improvised methods to deal with a particular problem. [Early 1600s]