n.
Pronunciation: ' büst
Function: verb
Etymology: origin unknown
Date: 1801
transitive verb
1 : to push or shove up from below
2 : INCREASE , RAISE <plans to boost production> <an extra holiday to boost morale>
3 : to promote the cause or interests of : PLUG <a campaign to boost the new fashions>
4 : to raise the voltage of or across (an electric circuit)
5 slang : STEAL , SHOPLIFT
intransitive verb slang : SHOPLIFT
synonyms see LIFT