mislaunch /ˈmɪslɔːntʃ/noun 3verb 3forms 3 noun3 •An attempt to launch something which results in it not following the intended trajectory.It will take many static tests before we are ready to go, however I would rather see all the bugs removed on the ground than have a mislaunch. — 1961 •The failure of a marketing campaign to introduce a new product.Let us forget the whole muddled mislaunch and look at this important car as […] — 1968 •The act of accidentally launching something.Computerised count down is introduced to eliminate the possibility of mislaunch. — 1994 verb3 •To launch a projectile or vehicle so that it does not follow the correct trajectory.The boy's arm aimed, mislaunched, and the dart swam through the air towards the front of the class, landing near Miss Fry. — 1970 •To fail in the introduction of a product or program.Having mislaunched the first move to pull down the NWFP coalition the party leadership is now facing the opposition's strong argument that it has always proved impatient with the opposition. — 1994 •To accidentally launch something that should not be launched. formsmislaunched · mislaunching · mislaunches