Pronunciation: /ki/

Definitions of key

noun a small piece of shaped metal with incisions cut to fit the wards of a particular lock, which is inserted into a lock and turned to open or close it

Example Sentences

A1 The key to success is hard work and dedication.

A2 I always carry my house key with me in case I get locked out.

B1 One key factor in achieving your goals is setting realistic deadlines.

B2 Effective communication is key in any team project.

C1 The key to effective leadership is being able to inspire and motivate others.

C2 Attention to detail is a key characteristic of successful entrepreneurs.

verb to provide a lock with a key to operate it

Example Sentences

adjective of crucial importance; central or essential

Example Sentences

A1 The key ingredient in this recipe is salt.

A2 Having good communication skills is key to success in any job.

B1 Time management is a key factor in completing projects on schedule.

B2 The key point of the presentation was to highlight the benefits of the new product.

C1 The key issue in the debate is how to address climate change effectively.

C2 Developing a strong network of contacts is key to advancing in the business world.

Examples of key in a Sentence

formal The key to success is hard work and dedication.

informal The key to acing the exam is studying the practice questions.

slang The key to throwing a great party is having good vibes and good music.

figurative Communication is the key that unlocks the door to understanding in any relationship.

Grammatical Forms of key

past tense

keyed

plural

keys

comparative

more key

superlative

most key

present tense

key

future tense

will key

perfect tense

have keyed

continuous tense

is keying

singular

key

positive degree

key

infinitive

to key

gerund

keying

participle

keyed

Origin and Evolution of key

First Known Use: 1250 year
Language of Origin: Old English
Story behind the word: The word 'key' originated from the Old English word 'cǣg' which was derived from the Proto-Germanic word 'kaigaz'.
Evolution of the word: Originally used to refer to a device used for opening locks, the word 'key' has evolved to also represent a crucial or important element in various contexts.