Pronunciation: /baɪ tʃæns/
noun chance is a noun that refers to a possibility of something happening without planning or design.
A1 I found the missing puzzle piece by chance.
A2 By chance, I ran into my old friend at the grocery store.
B1 She stumbled upon a rare book in the library by chance.
B2 By chance, they discovered a hidden treasure in the old mansion.
C1 The scientist's groundbreaking discovery was made purely by chance.
C2 By chance, the artist's work was discovered by a famous art collector and became highly sought after.
adverb by chance is an adverb because it modifies a verb, adjective, or another adverb by indicating that something happened unexpectedly or without planning.
A1 I met my best friend by chance at the grocery store.
A2 By chance, I found a five dollar bill on the sidewalk.
B1 By chance, I happened to run into my old high school teacher at the airport.
B2 She stumbled upon the rare book by chance while browsing through a second-hand bookstore.
C1 By chance, the two scientists discovered a new species of plant in the rainforest.
C2 The artist's masterpiece was created by chance, as he let his creativity flow freely without a plan.
preposition by is a preposition that shows the relationship between 'chance' and the action being described.
A1 I found my lost keys by chance while cleaning the house.
A2 By chance, I bumped into an old friend at the grocery store.
B1 She won the lottery by chance, never expecting to be so lucky.
B2 By chance, I discovered a hidden talent for painting during a weekend workshop.
C1 The scientist stumbled upon a groundbreaking discovery by chance while conducting unrelated research.
C2 By chance, the two artists met at a gallery opening and decided to collaborate on a project together.
formal By chance, I happened to run into my old college professor at the conference.
informal I saw my ex-girlfriend at the mall by chance.
slang I found this cool vintage jacket at the thrift store by chance.
figurative By chance, the two rival gangs ended up sitting at the same table and surprisingly got along.
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