noun
1. a noticeable deterioration in performance or quality
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the team went into a slump
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a gradual slack in output
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a drop-off in attendance
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a falloff in quality
• Syn: ↑slump, ↑slack, ↑falloff, ↑falling off
• Derivationally related forms: ↑fall off (for: ↑falloff), ↑drop off, ↑slack (for: ↑slack), ↑slump (for: ↑slump)
• Hypernyms: ↑deterioration, ↑decline in quality, ↑declension, ↑worsening
2. a change downward
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there was a decrease in his temperature as the fever subsided
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there was a sharp drop-off in sales
• Hypernyms: ↑change, ↑alteration, ↑modification
• Hyponyms:
3. a steep high face of rock
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he stood on a high cliff overlooking the town
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a steep drop
• Hypernyms: ↑geological formation, ↑formation
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drop-off «DROP F, -OF», noun.
2. a part that drops steeply; steep slope: »
Mud…builds up for years on the edge of the ocean's drop-off (Science News Letter).
3. Informal. delivery: »
The FBI had not bothered to notify the police of the ransom drop-off (New York Times).
* * *
1.n.
1) a decline or decrease
a sudden drop-off in tourism
2) a sheer downward slope; a cliff
dizzy drop-offs on either side
adj. [attrib.] relating to or allowing the delivery or depositing of something
the mailbags are left at drop-off points
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/ˈdrɑːpˌɑːf/ noun, pl -offs [count]
1 : a very steep downward slope
The drop-off along the trail is very steep.
2 : a very large decrease in level or amount
There has been a drop-off in attendance this year.
3 : the act of taking someone or something to a place and then leaving : the act of dropping someone or something off
This area is for student drop-offs.
Useful english dictionary. 2012.