English Reference

Word

overthink

Phoneticsover·think

Irregular verb

Forms

Infinitive

overthink

Past

overthought

Past participle

overthought

Definitions

01to analyze too much

B2 · Upper Intermediate

v. to spend too much time thinking about something, often making it seem more difficult than it really is.

v. to analyze a situation or piece of information to an excessive degree, often resulting in psychological distress or paralysis by analysis.

“I tend to overthink my emails before I send them, worrying about every word.”

“She spent the entire weekend overthinking the manager's brief comment, convinced it was a subtle critique of her performance.”

Synonyms

ruminatedwellobsess

Antonyms

02to consider carefully

C2 · Proficiency Archaic

v. to think about something very carefully or for a long time.

v. to reflect upon or consider a matter thoroughly. This sense is largely replaced by 'think over' in modern contexts.

“The old scholar would overthink the ancient texts for many hours.”

“In the quiet of the library, he would overthink the philosophical implications of the manuscript until the candles burned low.”

Real-World Examples

“Throughout my time at school in the early 2010s, I hated the prospect of new social situations and would often lie awake at night overthinking the day to come.”
The Guardian 28 Sept 2026
“But try not to overthink it – it’s play, and it should be fun.”
The Conversation 28 Jul 2026

Etymology

From Middle English overthenken, overthenchen (compare Middle English overthinken (“to grieve; have regrets; be sorry; be anxious”)), from Old English oferþenċan (“to think over; consider”), equivalent to over- + think.

From over- + think.

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

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.B2 FirstIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.5.5–6.5TOEFL 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: 4.0–4.572–94TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.785–944
Frequency
Occasional
Level
B2 · Upper Intermediate
Updated

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English Reference