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laughingly
laughingstock
laughter
launce
Launceston
launch (1)
launch (2)
launch complex
launch into
launch out
launch pad
launch party
launch shoe
launch vehicle
launch window
launcher
launder
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World English Dictionary
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launch into
launch into


transitive verb 
Definition:
 
plunge into doing something: to begin an activity suddenly and enthusiastically
The professor launched into yet another of his theories about how dinosaurs became extinct.
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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