let or make (something) fall vertically

the fire was caused by someone dropping a lighted cigarette

they dropped bombs on Caen during the raid

fall vertically

the spoon dropped with a clatter from her hand

make or become lower, weaker, or less

he dropped his voice as she came into the room

pre-tax profits dropped by 37 per cent

tourism has dropped off in the last few years

abandon or discontinue (a course of action or study)

the charges against him were dropped last year

set down or unload (a passenger or goods), especially on the way to somewhere else

his mum dropped him outside and drove off to work

he dropped the load off at a dealer's

(in sport) fail to win (a point or a match)

the club have yet to drop a point in the Second Division

release or make available (a musical recording, television programme, etc.)

he dropped the song on his social media profile

Lisa dropped her bombshell autobiography earlier this month

be forced to play (a relatively high card) as a loser under an opponent's higher card, because it is the only card in its suit held in the hand

East drops the 10 on the second round