Pronunciation: /ʌp ənd daʊn/
noun a word (other than a pronoun) used to identify any of a class of people, places, or things
A1 The children ran up and down the playground.
A2 The cat chased a mouse up and down the stairs.
B1 The roller coaster went up and down at high speeds.
B2 The stock market has been fluctuating up and down all week.
C1 The debate went up and down as each candidate presented their arguments.
C2 The negotiations between the two countries have been going up and down for months.
adjective a word naming an attribute of a noun, such as sweet, red, or technical
A1 The cat ran up and down the stairs.
A2 The children played up and down the street.
B1 The roller coaster goes up and down at high speeds.
B2 The stock market has been fluctuating up and down all week.
C1 The CEO's mood swings up and down depending on the company's performance.
C2 The mountain range stretches up and down for miles, offering breathtaking views.
adverb a word or phrase that modifies or qualifies an adjective, verb, or other adverb
A1 The cat jumped up and down on the bed.
A2 She walked up and down the street looking for her lost keys.
B1 The roller coaster went up and down at high speeds.
B2 The stock market has been fluctuating up and down all week.
C1 The politician's popularity has been up and down throughout his career.
C2 The singer's voice soared up and down the scales with ease.
preposition a word governing, and usually preceding, a noun or pronoun and expressing a relation to another word or element in the clause
A1 The cat ran up and down the stairs.
A2 She searched up and down the street for her lost keys.
B1 The hikers climbed up and down the mountain for hours.
B2 The roller coaster twisted up and down through loops and drops.
C1 The stock market has been fluctuating up and down all week.
C2 The politician's popularity has been moving up and down in recent polls.
conjunction a word used to connect clauses or sentences or to coordinate words in the same clause
A1 The cat jumped up and down on the bed.
A2 She walked up and down the street looking for her lost keys.
B1 The roller coaster went up and down at high speeds.
B2 The stock market has been fluctuating up and down all week.
C1 The debate went back and forth, with each candidate arguing up and down.
C2 The negotiations went up and down, but eventually a compromise was reached.
formal The elevator moved up and down between the floors of the building.
informal She was pacing up and down the hallway, waiting for the meeting to start.
slang I can't believe he's still up and down with that girl after all they've been through.
figurative His emotions were like a rollercoaster, constantly going up and down throughout the day.
went
ups and downs
up and downer
up and downest
go up and down
will go up and down
have gone up and down
is going up and down
up and down
up and down
to go up and down
going up and down
gone up and down