Pronunciation (UK) IPA (key): /prə(ʊ)ˈdʒɛktʌɪl/ or /prə(ʊ)ˈdʒɛktɪl/ (US) IPA (key): /prəˈdʒɛk.taɪl/ or /prəˈdʒɛk.tl̩/ Audio (US)(file) Hyphenation: pro‧ject‧ile Noun Singular projectile Plural projectiles (countable) An object that is fired from a weapon. (countable) An object that is propelled by force. An object that is thrown is called a projectile.Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads