Key ( noun , adjective , verb )

(As a noun)

Key ( noun )

1. A metal instrument that is inserted into a lock and turned to lock or unlock a door or gate.
2. A mechanical or electrical device that is used to control the operation of a machine, vehicle, or system.
3. A code or password used to encrypt or decrypt a message.
4. A piece of information that is used to solve a problem or explain a mystery.
5. A musical note or series of notes that serves as the main basis of a piece of music and determines its tonality.
6. A small hard-shelled seed that is eaten, especially as a snack food.

Origin:

Middle english, from old english cǣg, from latin clavis; akin to latin claudere 'to shut'.

Examples:

1. The key to the cabinet was missing.
2. She held the key to his heart.
3. The key of the piano was out of tune.
4. She kept a record of all her passwords in a key manager software.
5. The key to the car is on the kitchen counter.

(As an adjective)

Key ( adjective )

1. A metal instrument that is inserted into a lock and turned to lock or unlock a door or gate.
2. A mechanical or electrical device that is used to control the operation of a machine, vehicle, or system.
3. A code or password used to encrypt or decrypt a message.
4. A piece of information that is used to solve a problem or explain a mystery.
5. A musical note or series of notes that serves as the main basis of a piece of music and determines its tonality.
6. A small hard-shelled seed that is eaten, especially as a snack food.

Origin:

Middle english, from old english cǣg, from latin clavis; akin to latin claudere 'to shut'.

Examples:

1. The key to the cabinet was missing.
2. She held the key to his heart.
3. The key of the piano was out of tune.
4. She kept a record of all her passwords in a key manager software.
5. The key to the car is on the kitchen counter.

(As a verb)

Key ( verb )

1. A metal instrument that is inserted into a lock and turned to lock or unlock a door or gate.
2. A mechanical or electrical device that is used to control the operation of a machine, vehicle, or system.
3. A code or password used to encrypt or decrypt a message.
4. A piece of information that is used to solve a problem or explain a mystery.
5. A musical note or series of notes that serves as the main basis of a piece of music and determines its tonality.
6. A small hard-shelled seed that is eaten, especially as a snack food.

Origin:

Middle english, from old english cǣg, from latin clavis; akin to latin claudere 'to shut'.

Examples:

1. The key to the cabinet was missing.
2. She held the key to his heart.
3. The key of the piano was out of tune.
4. She kept a record of all her passwords in a key manager software.
5. The key to the car is on the kitchen counter.