English Reference

Word

tack

US/ˈtæk/

UK/tˈæk/

Countable & uncountable

Definition

n. a way of doing something or a direction you take to reach a goal. It is often used when you change your plan to try a different method.

n. a course of action or a specific approach to a situation, often one that differs from a previous strategy. In a nautical context, it refers to the direction of a ship relative to the trim of its sails.

Examples

“The government decided to try a different tack to lower inflation.”

“When the initial negotiations failed, the legal team decided to change tack and focus on a settlement instead.”

“Realizing that aggressive questioning was yielding no results, the detective changed tack, adopting a more sympathetic tone to encourage the witness to speak freely.”

Examples

simple

“The government decided to try a different tack to lower inflation.”

contextual

“When the initial negotiations failed, the legal team decided to change tack and focus on a settlement instead.”

complex

“Realizing that aggressive questioning was yielding no results, the detective changed tack, adopting a more sympathetic tone to encourage the witness to speak freely.”

Usage

Commonly used in the idiomatic phrase 'to change tack'.

Pitfall

change tact

change tack

Learners often confuse 'tack' (a direction or course) with 'tact' (sensitivity in social situations) in this idiom.

Real-World Examples

“Colin from Accounts’ Patrick Brammall is totally changing tack with this intense drama about a one-time cop whose three-year-old daughter Mags disappeared more than a decade ago.”
The Guardian 28 Aug 2026
“Some researchers think that policymakers and researchers should change tack altogether.”
Smithsonian Magazine 17 Aug 2026

Etymology

From Middle English tak, takke (“hook; staple; nail”), from Old Northern French taque (“nail, pin, peg”), from Frankish takkō, from Proto-Germanic takkô (“tip; point; protrusion; prong; tine; jag; spike; twig”), of unknown origin, but possibly from Proto-Indo-European dHgʰ-n-, from the root déHgʰ- (“to pinch; to tear, rip, fray”). Cognate with Saterland Frisian Takke (“bough; branch; twig”), West Frisian takke (“branch”), tûk (“branch, smart, sharp”), Dutch tak (“twig; branch; limb”), German Zacke (“jag; prong; spike; tooth; peak”).

From Middle English takken (“to attach; nail”), from the noun (see above).

From an old or dialectal form of French tache. See techy. Doublet of tache.

Back-formation from tacky.

From Middle English tak, take (“fee, tax (on livestock)”), from Old Norse tak, taka (“a taking, seizure; revenue”), from Old Norse taka (“to take”). Cognate with Scots tack.

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

Idioms

Domains

ChemistryLawNautical

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
Frequent
Level
C1 · Advanced
Updated

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English Reference