diminish

diminish — verb

1. to become smaller in amount, strength, or importance, or to cause something to b

1.verbtransitive / intransitiveB2
Definition

to become smaller in amount, strength, or importance, or to cause something to become smaller in these ways.

Example

Élise waited for the pain in her knee to diminish before continuing her walk.

intransitive: gradual natural process

The afternoon crowd diminished as people left for their train rides home.

Common collocations
  • diminish gradually
  • diminish over time
  • diminish in value
  • diminish in importance
  • diminish in size
Synonyms
  • decrease

    more neutral and widely used for measurable quantities

  • lessen

    simpler and more common for intangible things like pain or fear

  • dwindle

    more vivid, suggesting something shrinks nearly to nothing

Antonyms
  • increase

    to become greater in amount or size

  • grow

    to become larger or stronger over time

Grammar Patterns

diminish + (something)

diminish + intransitively

Usage Note

Frequently used without an object when describing a natural or gradual change. The transitive use requires an external cause and a direct object.

Common Mistakes

The noise diminished away slowly.
The noise diminished slowly.
'diminish' already implies a gradual reduction; adding 'away' is redundant.

2. to cause someone or something to appear less worthy, respected, or significant t

2.verbtransitiveC1
Definition

to cause someone or something to appear less worthy, respected, or significant than they actually are.

Example

Felix felt his boss was trying to diminish him by ignoring his suggestions in the meeting.

transitive + personal object

The journalist's reputation was diminished by a false report she was forced to publish.

passive: reputation diminished

Common collocations
  • diminish someone's authority
  • diminish someone's reputation
  • diminish someone's confidence
  • diminish someone's dignity
  • diminish someone's achievements
Synonyms
  • belittle

    more direct and personal, often about deliberate speech

  • undermine

    suggests gradual weakening of confidence or authority

  • disparage

    focuses on speaking negatively about someone

Antonyms
  • enhance

    to increase the value or reputation of

  • elevate

    to raise to a higher status or position

Grammar Patterns

diminish + somebody/something

be diminished + (by something)

Usage Note

Often used in passive constructions when the focus is on the person whose reputation is harmed rather than on who causes the harm.

Common Mistakes

He diminished the cost of the materials.' (when meaning reputation).
The director's remarks diminished her standing in the team.
Sense 2 is about harming reputation or dignity, not reducing a measurable quantity.
Idioms

(the law of) diminishing returns

idiom

A situation where continuing to invest more time or money produces less benefit than before.

After three hours of studying, Maya experienced diminishing returns on her focus.

Brian added more fertilizer to his garden, but the law of diminishing returns meant fewer extra vegetables.

Word family

  • diminished
    adjectiveB2
  • diminution
    nounC1
  • diminutive
    adjectiveC2

Synonym discussion

Sense: verb/1

All four verbs describe making something smaller or less, but they differ in tone and typical use. 'Reduce' is the most neutral and widely applicable — you can reduce prices, stress, waste, or speed. 'Decrease' overlaps with 'reduce' but often appears in statistical or measurable contexts, such as population decrease or temperature decrease. 'Lessen' is the simplest word of the group and works best for intangible things like pain, fear, or tension — you lessen someone's worries but lessen is too gentle for prices. 'Diminish' carries a formal tone and often implies a gradual wearing-away or fading, like a sound diminishing in the distance or influence diminishing over time. 'Dwindle' is the most vivid, suggesting a visible shrinking toward nothing — supplies dwindle, savings dwindle, but a budget is reduced, not dwindled. For example: 'She took medicine to lessen the pain' (simple daily use) vs 'The cheering diminished as the team walked off the field' (gradual fading) vs 'Food supplies dwindled during the long winter' (dramatic decrease).

reduce ↗decrease ↗lessendwindle ↗

Common collocations

Nouns

Adverbs

Phrases

  • over time
  • in importance

Prepositions

Etymology

LatinFrenchEnglish

From Latin 'dīminuere' meaning 'to break into small pieces' — built from 'dis-' (apart) and 'minuere' (to make smaller, from 'minus' meaning less). The word entered English through Old French 'diminuer' in the 1400s. It originally described physical reduction and later developed the abstract sense of harming someone's reputation or standing.