Meaning of BOOST in English

BOOST

[boost] vb [origin unknown] vt (ca. 1815) 1: to push or shove up from below

2: increase, raise "plans to ~ production" "an extra holiday to ~ morale"

3: to promote the cause or interests of: plug "a campaign to ~ the new fashions"

4: to raise the voltage of or across (an electric circuit)

5. slang: steal, shoplift ~ vi, slang: shoplift syn see lift

[2]boost n (1825) 1: a push upward

2: an act that brings help or encouragement: assist

3: an increase in amount

Merriam-Webster English vocab.      Английский словарь Merriam Webster.