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📕 rednote ID(小红书号)：3881567312

Feedback: Definition, Usage & Common Mistakes (2 meaning)

Meaning 1：input for improvement (feedback)

feedback 🔊

/ˈfiːdbæk/

Comments or suggestions from others about something you did, used to make it better.

Feedback definition illustrated by a professional giving constructive input on a document.

input for improvement 🔊

➕

/ˈɪnpʊt fər ɪmˈpruːvmənt/

Information provided about a person's performance or a product's quality, intended to guide positive change.

📁 Category：School Education 🔖 Level：初级

📘 Details & Usage

📖 Root Explanation

Compound of 'feed' (to provide) + 'back' (in return).

💡 Mnemonic

Think: You 'feed' information 'back' to someone so they can grow.

📖 Example

After submitting her essay, Lisa eagerly waited for the teacher's feedback to see how she could improve. 🔊 Lisa eagerly waited for the teacher's input for improvement on her essay.

🔗 Collocations

constructive feedback – Helpful and specific suggestions aimed at improvement.

seek feedback – To actively ask for opinions or suggestions.

provide feedback – To give comments or evaluations to someone.

🔄 Synonyms

comment (n.) – A general remark or opinion expressed.

critique (n.) – A detailed analysis and assessment, often formal.

evaluation (n.) – The act of judging or assessing the value or quality of something.

🚫 Antonyms

silence (n.) – A complete absence of response or comment.

🌱 Derivatives

feedbacker (n.) – (Informal) One who provides feedback.

📖 Cultural Story

Emerging in early 20th-century electronics, 'feedback' described a circuit where output signal returns to influence input. It later expanded into systems theory and management, embodying the modern concept of information loops for improvement.

Meaning 2：unwanted audio loop (feedback)

feedback 🔊

/ˈfiːdbæk/

The annoying high-pitched sound from speakers or microphones when sound loops back and gets amplified.

Audio feedback example showing microphone causing a loud screech near a speaker.

unwanted audio loop 🔊

➕

/ʌnˈwɒntɪd ˈɔːdiəʊ luːp/

A loud, high-pitched noise produced when sound from a speaker is picked up by a microphone and re-amplified in a loop.

📁 Category：Technological Inventions 🔖 Level：中级

📘 Details & Usage

📖 Example

During the online meeting, a loud feedback from the microphone interrupted the speaker and made everyone uncomfortable. 🔊 An unwanted audio loop from the microphone interrupted the online meeting.

🔗 Collocations

audio feedback – The specific screeching sound caused by an acoustic loop.

feedback noise – The unpleasant sound resulting from feedback.

prevent feedback – To take measures to stop the audio loop from occurring.

🔄 Synonyms

howl (n.) – A loud, wailing sound, often used to describe feedback from speakers.

screech (n.) – A harsh, high-pitched sound similar to audio feedback.

🚫 Antonyms

clear audio (n.) – Undistorted and clean sound without interference.

silence (n.) – The complete absence of sound.