one (A1)

determiner, pronoun, noun

Pronunciation: /wʌn/

Definition

The smallest whole number; a single unit or thing.

Examples

• There is only one way to solve this problem.

• She has one brother and two sisters.

• He scored one goal in the first half.

How to Use one

one of the (prepositional phrase)

Used to indicate one item from a group. — "She is one of the best students in the class."

for one (prepositional phrase)

Used to single out a person or thing for emphasis. — "I, for one, do not agree with this decision."

just one (collocation)

Only a single item or instance. — "It only takes just one mistake to cause an accident."

Synonyms of one

Words with a similar meaning to one:

• single
• individual
• sole
• lone

Antonyms of one

Words with the opposite meaning to one:

• zero
• many
• several

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