English Reference

Word

overwhelm

Phoneticsover·whelm

US/ˌoʊvɝˈwɛɫm/

UK/ˌəʊvəwˈɛlm/

Definitions

01emotional impact

B2 · Upper Intermediate

v. to cause someone to feel sudden, strong emotions that are difficult to handle.

v. to affect someone's emotions so deeply that they are unable to react or think clearly.

“She was overwhelmed by the kindness of the strangers who helped her.”

“The young musician was visibly overwhelmed by the standing ovation, struggling to find the words to thank the audience.”

02too much work or information

B2 · Upper Intermediate

v. to give someone so much to do that they cannot deal with it all.

v. to inundate someone with an excessive amount of work, information, or responsibility.

“The staff were overwhelmed by the number of phone calls after the announcement.”

“The customer service department was completely overwhelmed by the volume of complaints following the software update.”

Synonyms

swampinundateoverload

Antonyms

03to defeat or crush

C1 · Advanced Formal

v. to defeat someone or something using a lot of force.

v. to defeat or overcome by superior force or numbers.

“The small army was quickly overwhelmed by the larger force.”

“The defensive lines were overwhelmed within hours as the opposing forces launched a coordinated multi-front assault.”

04to submerge

C2 · Proficiency Literary

v. to cover something completely with water or another liquid.

v. to engulf or submerge something completely, typically by a surge of water.

“A giant wave overwhelmed the small boat during the storm.”

“The coastal village was overwhelmed by the rising tide, leaving the streets buried under a thick layer of silt and debris.”

Synonyms

submergeengulfflood

05state of being overwhelmed

C1 · Advanced Uncountable noun Informal

n. the feeling of having too much to deal with.

n. the psychological state of being overcome by stress or excessive stimuli.

“She felt a sense of overwhelm as she looked at her long to-do list.”

“The therapist helped the patient develop strategies to manage the daily overwhelm caused by his demanding executive role.”

Synonyms

Antonyms

Collocations

Common phrases and expressions where native English speakers use the word “overwhelm” in context.

Verb

01. overwhelm the city with grief

“The news of the tragedy overwhelmed the city with grief.”

verb + noun + prep + noun

02. overwhelm the reader with detail

“The author tried not to overwhelm the reader with detail in the opening chapter.”

verb + noun + prep + noun

03. threaten to overwhelm the staff

“The sheer volume of paperwork threatened to overwhelm the staff during the audit.”

verb + infinitive

Adverb

04. completely overwhelm the system

“The sudden surge in traffic completely overwhelmed the system, causing a total blackout.”

adv + verb + noun

05. easily overwhelm the opposition

“The defending champions were expected to easily overwhelm the opposition in the first round.”

adv + verb + noun

06. quickly overwhelm the senses

“The vibrant colors and loud music of the festival can quickly overwhelm the senses.”

adv + verb + noun

Usage

The verb is transitive and takes a direct object; frequently used in the passive form 'to be overwhelmed by/with'.

Pitfall

I am very overwhelming with work.

I am very overwhelmed with work.

Learners often confuse the active participle '-ing' (the cause) with the passive participle '-ed' (the feeling).

Real-World Examples

“Beyond those limits, heat, drought, insects, pathogens and wildfire can overwhelm any fertilization effect that would boost growth.”
The Conversation 13 Aug 2026
“Ozempic, Wegovy, and similar drugs may deliver excellent health value, but covering them for millions of eligible patients could overwhelm insurance budgets.”
ScienceDaily 24 Jul 2026
“It takes a while to acclimatise, and at times the lyricism threatens to overwhelm the narrative.”
The Guardian 6 Aug 2026

Etymology

Inherited from Middle English overwhelmen, equivalent to over- + whelm.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

VERB

overwhelm(C1)

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
Frequency
Occasional
Level
C1 · AdvancedOxford
Updated

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