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English expressions, clearly explained.

Determine Meaning, Definition, and Synonyms

determine meaning photo

Determineto decide or establish something clearly is a verb with several related meanings. It can mean to decide something, to find out something, or to shapeto influence the form or result of something or control what happens. The most common everyday meaning is to decide or establishto set up or make something definite and clear something clearly.

Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-13. AI assessment; not a guarantee of accuracy.

Pronunciation

AI-generated pronunciation audio (OpenAI).

Accent: General American English

IPA: /dih-TUR-mən/

Easy pronunciation: dih-TUR-mən (approximate spelling).

Stress: Stress the second syllable.

Used in the sense of deciding or fixing something definitely.

Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-13. AI assessment; not a guarantee of accuracy.

Determine Meaning

to decide or set something clearly and finally

Part of speech: verb

Definition: decide upon or fix definitely

Example: We need to determine the meeting time before noon.

Synonyms for this meaning:

  • define — Works when something is made exact or clearly fixed.
  • fix — A close everyday substitute when you mean set or make definite.
  • limit — Fits when determine means set boundaries or a limit.
  • set — Common and natural when deciding or establishing something.
  • specify — Best when you mean state something exactly.

Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-13. AI assessment; not a guarantee of accuracy.

Other Meanings of Determine

Meaning 2

to decide something after thinking about it

Part of speech: verb

Definition: reach, make, or come to a decision about something

Example: I haven’t determined which option is best yet.

Synonyms for this meaning:

  • decide — Direct synonym for making a decision.
  • make up one's mind — Works in informal contexts when someone reaches a decision.

Meaning 3

to find something out for sure

Part of speech: verb

Definition: find out, learn, or determine with certainty, usually by making an inquiry or other effort

Example: The police are trying to determine what happened.

Synonyms for this meaning:

  • ascertain — Formal but accurate for finding out something for certain.
  • check — Works when you verify something, but is less precise.
  • find out — Common everyday synonym.
  • learn — Works when you discover new information.
  • see — Can work informally in the sense of understanding or checking.

Meaning 4

to figure out by studying or testing

Part of speech: verb

Definition: establish after a calculation, investigation, experiment, survey, or study

Example: Researchers determined the cause of the problem after months of testing.

Synonyms for this meaning:

  • ascertain — Formal and appropriate for establishing a fact.
  • find — Works in some contexts, though it is broader than determine.
  • find out — Natural when you discover the result of an investigation.

Meaning 5

to influence how something develops

Part of speech: verb

Definition: shape or influence; give direction to

Example: Early experiences can determine a child’s confidence.

Synonyms for this meaning:

  • influence — Clear substitute when something affects a result.
  • mold — Works when something helps form character or development.
  • regulate — Only works in some contexts where something controls or guides behavior.
  • shape — Common and natural synonym for influence or form.

Meaning 6

to settle something completely

Part of speech: verb

Definition: settle conclusively; come to terms

Example: The two companies determined the dispute through negotiation.

Synonyms for this meaning:

  • settle — Good match when a conflict or issue is resolved.
  • square off — Usually means prepare to fight, so only loosely related.
  • square up — Can mean settle accounts or finish a dispute, but is less general.

Reviewed with OpenAI Decisions. Assessment: inaccurate — correction needed. Checked: 2026-10-13. AI assessment; not a guarantee of accuracy.

Determine Synonyms

Similar Meaning

  • set
  • fix
  • specify
  • define

to decide

  • decide
  • make up one's mind

to find out for sure

  • ascertain
  • find out
  • check

to discover by study or investigation

  • ascertain
  • find out

to influence or shape

  • shape
  • influence
  • mold

to settle a dispute or issue

  • settle

Reviewed with OpenAI Decisions. Assessment: uncertain — manual review needed. Checked: 2026-10-13. AI assessment; not a guarantee of accuracy.

Common Mistakes

  • Do not confuse determine meaning 'decide' with determine meaning 'find out.'
  • Do not use determine as a synonym for simply 'watch' or 'look at.'
  • In many contexts, determine means 'establish' rather than 'cause directly.'

Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-13. AI assessment; not a guarantee of accuracy.

Frequently Asked Questions

What does determine mean in everyday English?

Most often, determine means to decide something or make it clear and definite.

What are the best synonyms for determine?

For the main meaning, good synonyms are set, fix, specify, and define. For other senses, decide, find out, ascertain, shape, and settle may fit.

Is determine the same as decide?

Sometimes. Determine can mean decide, but it can also mean find out, influence, or settle something.

Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-13. AI assessment; not a guarantee of accuracy.

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