Against
Against preposition - In or into contact with.
Con and against are semantically related. in anti topic. In some cases you can use "Con" instead the word "Against" as a preposition or an adjective or an adverb, when it comes to topics like opposite to. informal substitute
Mutual synonyms
Both words in one sentence
- Tony is actually so stupid that he's difficult to con; against him, a character warns, a plan has to be not just foolproof, but moron-proof.
Source: Dumb Muscle / Literature - Slevin had been playing a con the entire movie to kill both the mob bosses by setting them against each other.
Source: Divide and Conquer - Moist von Lipwig of Discworld pulls this off in Making Money, utterly derailing a court case against him by publicly admitting that he is a former con man who was recruited by the Patrician.
Source: Honesty Is the Best Policy
Cite this Source
Con and Against. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/against/con
Against & Con. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/against/con>.
Con or Against. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/against/con.
Google Ngram Viewer shows how "against" and "con" have occurred on timeline