OpenSynonym

echo

/ˈɛkoʊ/

NOUN

1. A reflected sound heard again

A sound that is reflected from a surface and heard again after the original sound has been produced.

1.1. Reflected sound

A sound that returns to the listener after bouncing off a distant surface, such as a wall, mountain, or canyon.

Synonyms

  • reverberation
  • reflection
  • resonance
  • repetition
  • rebound

Antonyms

Examples

  • The echo of his voice traveled across the canyon.
  • We heard a faint echo coming from the empty tunnel.

Related Words

  • sound
  • acoustics
  • resonance
  • vibration
  • reverberation

1.2. Lingering or repeated sound

A sound that continues to resonate or remain audible after its original source has stopped.

Synonyms

  • reverberation
  • resonance
  • ringing
  • after-sound

Antonyms

  • silence
  • stillness

Examples

  • The echo of the final note lingered in the concert hall.
  • A distant echo of the explosion could still be heard several seconds later.

Related Words

NOUN

2. A repetition of someone's words or ideas

A statement, expression, or response that repeats or closely resembles something previously said or expressed.

2.1. Repetition of spoken words

A repeated statement or utterance that reproduces words previously spoken by another person.

Synonyms

  • repetition
  • repeat
  • reiteration
  • repeating
  • parroting

Examples

  • His speech was merely an echo of what the committee had already said.
  • The politician's remarks sounded like an echo of his predecessor's promises.

Related Words

2.2. Agreement or response to an opinion

An expression of agreement, support, or recognition that reflects another person's opinions, feelings, or statements.

Synonyms

Antonyms

Examples

  • Her comments found an echo among the members of the audience.
  • The proposal received a strong echo of support from local residents.

Related Words

2.3. Similarity or resemblance to something earlier

A noticeable resemblance to an earlier event, experience, statement, style, or situation.

Synonyms

Antonyms

Examples

  • The novel contains an echo of the author's earlier work.
  • The political debate was an echo of similar arguments heard decades ago.

Related Words

  • similarity
  • analogy
  • counterpart
  • correspondence
  • replica

NOUN

3. A repeated or reflected sound in poetry

A poetic device in which a line ends with a word or phrase that recalls or repeats the sound of the preceding line's final word.

3.1. Poetic sound repetition

A literary technique that repeats or imitates the sound of a preceding word at the end of a poetic line.

Synonyms

  • repetition
  • reiteration

Examples

  • The poet used an echo to create a musical connection between consecutive lines.
  • The final word of each verse produced an echo that strengthened the poem's rhythm.

Related Words

  • rhyme
  • assonance
  • alliteration
  • refrain
  • verse

NOUN

4. The display of an executed command

The display of a command or input on a command-line interface or terminal after it has been entered or executed.

4.1. Command-line input display

The visible repetition of commands or input text in a terminal, shell, or command-line environment.

Synonyms

  • display
  • repetition

Examples

  • The terminal displayed an echo of the command before showing its output.
  • Disabling command echo made the script's output easier to read.

Related Words

  • terminal
  • command line
  • shell
  • console
  • standard output

NOUN

5. A letter in the ICAO spelling alphabet

The code word used to represent the letter E in the International Civil Aviation Organization spelling alphabet.

5.1. Phonetic alphabet code word

The standardized spoken code word representing the letter E in aviation and international radiotelephony communication.

Synonyms

  • E

Examples

  • In the ICAO spelling alphabet, echo represents the letter E.
  • The pilot spelled the code using echo to make the letter E clear over the radio.

Related Words

  • phonetic alphabet
  • ICAO alphabet
  • radiotelephony
  • communication code

NOUN

6. A signal in the card game whist

A signal made by a player in whist to communicate information about the number or distribution of trumps or cards in a suit.

6.1. Trump signal in whist

A card-playing signal indicating that a player holds a specified number of trump cards, according to the conventions used by the partnership.

Synonyms

  • trump signal

Examples

  • The experienced player used an echo to communicate information about the trump suit to a partner.
  • Understanding the echo signal helped the partnership coordinate its strategy in whist.

Related Words

  • whist
  • trump
  • card signal
  • suit
  • card game

NOUN

7. An image produced by ultrasound examination of the heart

A visual image of the heart produced through echocardiography using ultrasound waves.

7.1. Echocardiographic image

An ultrasound-generated image used to examine the heart's structure, movement, and function.

Synonyms

  • echocardiogram
  • cardiac ultrasound image

Examples

  • The cardiologist examined the echo to assess the patient's heart function.
  • The latest echo revealed changes in the movement of the heart valves.

Related Words

  • echocardiography
  • ultrasound
  • cardiac imaging
  • heart scan
  • sonogram

VERB

8. To reflect and return as sound

To produce a sound that is reflected from a surface and heard again.

8.1. Sound reflection

To reflect sound waves from a surface so that the original sound is heard again.

Synonyms

  • reverberate
  • resound
  • ring
  • rebound
  • reverberate back

Antonyms

Examples

  • The children's voices echoed through the empty corridors.
  • A loud bang echoed across the valley.

Related Words

8.2. To repeat a sound

To reproduce or repeat a sound so that it seems to come back from another place or source.

Synonyms

  • repeat
  • reproduce
  • reiterate
  • re-echo

Examples

  • The recording echoed the original sound with remarkable clarity.
  • Her voice echoed softly through the chamber.

Related Words

VERB

9. To repeat another person's words or opinions

To repeat or reproduce what someone else has said, written, or expressed, sometimes without adding original ideas.

9.1. Repeating someone's words

To repeat another person's statement or expression, either exactly or in substantially similar words.

Synonyms

Antonyms

Examples

  • The student echoed the teacher's explanation during the discussion.
  • He kept echoing the same phrase throughout the meeting.

Related Words

9.2. Reflecting or expressing agreement

To express or communicate an opinion, feeling, or sentiment that closely matches another person's view.

Synonyms

Antonyms

Examples

  • Her concerns echoed those expressed by several other employees.
  • The committee's final statement echoed the public's demand for greater transparency.

Related Words

9.3. Imitating someone's behavior or actions

To imitate or copy another person's actions, mannerisms, style, or behavior.

Synonyms

Antonyms

Examples

  • The young performer echoed the movements of the experienced dancer.
  • The design echoes the style of traditional architecture.

Related Words

VERB

10. To repeat input in another device or system

To reproduce or send received input as output, particularly in a computer system or electronic device.

10.1. Computer input reproduction

To repeat received text, commands, or data as output in a computer program, terminal, or connected system.

Synonyms

Examples

  • The program echoes the user's input before processing the command.
  • The device is configured to echo incoming data to the connected terminal.

Related Words

VERB

11. To give an echo signal in whist

To make a conventional card signal in whist that communicates information about the cards held by a player.

11.1. Communicating card information

To use the echo convention in whist to signal information about the number or distribution of cards held in a suit.

Synonyms

Examples

  • The player echoed to indicate the agreed card information to a partner.
  • Experienced partners know when to echo during a whist game.

Related Words