ar·gu·a·ble (är′gyo͞o-ə-bəl) adj. 1. Open to argument: an arguable question, still unresolved. 2. Capable of being argued plausibly; defensible in argument. English 1A. Holper. The Arguable Thesis. Much of the writing that students do in college (and some business writing as well) is thesis-driven: that is, papers which. adjective 1. susceptible to debate, challenge, or doubt; questionable: Whether this is the best plan of action or not is arguable. 2. susceptible to being supported. ar·gu·a·ble (är′gyo͞o-ə-bəl) adj. 1. Open to argument: an arguable question, still unresolved. 2. Capable of being argued plausibly; defensible in argument. Synonyms for arguable at Thesaurus.com with free online thesaurus, antonyms, and definitions. Dictionary and Word of the Day. English 150. Holper. The Arguable Thesis. Much of the writing that students do in college (and some business writing as well) is thesis-driven: that is, papers. A deductive argument is one that, if valid, has a conclusion that is entailed by its premises. In other words, the truth of the conclusion is a logical consequence of. Seen and Heard. What made you want to look up arguable? Please tell us where you read or heard it (including the quote, if possible). adjective 1. susceptible to debate, challenge, or doubt; questionable: Whether this is the best plan of action or not is arguable. 2. susceptible to being supported. Start here to find books, journal articles, and helpful research guides at your Scottsdale Community College Library.