Princeton's WordNet

1. launch(noun)

   a motorboat with an open deck or a half deck

2. launching, launch(verb)

   the act of propelling with force

3. establish, set up, found, launch(verb)

   set up or found

   "She set up a literacy program"

4. launch(verb)

   propel with force

   "launch the space shuttle"; "Launch a ship"

5. launch(verb)

   launch for the first time; launch on a maiden voyage

   "launch a ship"

6. plunge, launch(verb)

   begin with vigor

   "He launched into a long diatribe"; "She plunged into a dangerous adventure"

7. launch, set in motion(verb)

   get going; give impetus to

   "launch a career"; "Her actions set in motion a complicated judicial process"

8. launch(verb)

   smoothen the surface of

   "launch plaster"

Kernerman English Learner's Dictionary

1. launch(verb)ɔntʃ, lɑntʃ

   to start an activity involving many people

   Organizers are launching the festival next month.; to launch an attack

2. launchɔntʃ, lɑntʃ

   to begin to sell or make available for use

   He launched his new book/website/blog.; companies launching new products

3. launchɔntʃ, lɑntʃ

   to send a weapon or spacecraft up or toward a target

   to launch a missile/rocket

4. launchɔntʃ, lɑntʃ

   to send a new boat into the water

   when the first cruise ship was launched

Webster Dictionary

1. Launch(verb)

   to throw, as a lance or dart; to hurl; to let fly

2. Launch(verb)

   to strike with, or as with, a lance; to pierce

3. Launch(verb)

   to cause to move or slide from the land into the water; to set afloat; as, to launch a ship

4. Launch(verb)

   to send out; to start (one) on a career; to set going; to give a start to (something); to put in operation; as, to launch a son in the world; to launch a business project or enterprise

5. Launch(verb)

   to move with force and swiftness like a sliding from the stocks into the water; to plunge; to make a beginning; as, to launch into the current of a stream; to launch into an argument or discussion; to launch into lavish expenditures; -- often with out

6. Launch(noun)

   the act of launching

7. Launch(noun)

   the movement of a vessel from land into the water; especially, the sliding on ways from the stocks on which it is built

8. Launch(noun)

   the boat of the largest size belonging to a ship of war; also, an open boat of any size driven by steam, naphtha, electricity, or the like

• tewaterlating, lanseringAfrikaans
• يُطْلِقُ صاروخا أو يُنْزِلُ سَفينَةًArabic
• изстрелвамBulgarian
• lançarPortuguese (BR)
• spustit; vypustitCzech
• ins Wasser lassen, abschießenGerman
• søsætte; opsendeDanish
• καθελκύω, εκτοξεύωGreek
• botar, echar al marSpanish
• vette laskma,üles lennutamaEstonian
• به آب انداختن؛ راه انداختنFarsi
• laskea vesille, laukaistaFinnish
• lancerFrench
• לְהַשִׁיקHebrew
• जलावतरणHindi
• lansiratiCroatian
• vízre bocsát (hajót); kilő (rakétát)Hungarian
• meluncurkanIndonesian
• hleypa af stokkunum; skjóta á loftIcelandic
• lanciare; mettere in acqua*Italian
• 発射するJapanese
• (보트 등을) 수면에 띄우다Korean
• nuleistiį vandenį, paleistiLithuanian
• nolaistūdenī (kuģi); palaist (raķeti)Latvian
• melancarkanMalay
• te water laten, lancerenDutch
• sjøsette; skyte oppNorwegian
• wodować, wystrzelićPolish
• به آب انداختن؛ راه انداختنPersian
• په اوبو كښى اچول،لكه بيړىPashto
• lançarPortuguese
• a lansaRomanian
• спускать на воду; запускатьRussian
• spustiť na vodu; vypustiťSlovak
• splaviti, izstrelitiSlovenian
• lansiratiSerbian
• sjösätta, skjuta ut (av, upp)Swedish
• ปล่อยThai
• suya indirmek; uzaya fırlatmakTurkish
• 使首次下水(指船)，發射(火箭)Chinese (Trad.)
• спускати судно на воду; запускатиUkrainian
• جہاز کو پانی میں تیرانا ، یا راکیٹ وغیرہ کو فضا میں چھوڑناUrdu
• hạ thuỷ; phóngVietnamese
• 使（船）下水，发射（火箭）Chinese (Simp.)