Clues vs Evidence vs Hint vs Indicator vs Signal

When to use each in English, with meaning, register, and examples.

Clues

Top 2,000 (common)

Evidence

Top 1,000 (very common)A2noun

Hint

Top 2,000 (common)C1noun

Indicator

Top 1,000 (very common)C1noun

Signal

Top 1,000 (very common)B1noun
 CluesEvidenceHintIndicatorSignal
Pronunciation🇬🇧 //kluːz//🇺🇸 //kluːz//🇬🇧 //ˈɛvɪdəns//🇺🇸 //ˈɛvɪdəns//🇬🇧 /["/hɪnt/"]/🇺🇸 /["/hɪnt/"]/🇬🇧 /["/ˈɪndɪkeɪtə(r)/"]/🇺🇸 /["/ˈɪndɪkeɪtər/"]/🇬🇧 /["/ˈsɪɡnəl/"]/🇺🇸 /["/ˈsɪɡnəl/"]/
MeaningHints that help you solve a problem or mystery.Proof or information that shows something is true.A small clue or piece of information.Something that shows or points out a condition or situation.A sign or message that tells someone something.
ExampleThe detective found several useful clues at the scene of the crime.The detective found important evidence at the crime scene.She gave me a subtle hint about the surprise party.The economic indicators are better than expected.The radio signal was weak, making it difficult to hear the news.
RegisterNeutralNeutralNeutralNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)Top 2,000 (common)Top 1,000 (very common)Top 1,000 (very common)
CEFR level-A2C1C1B1
Part of speechnounnounnounnoun
Collocationsgive clues, follow clues, find clues, provide clues, search for cluesprovide evidence, gather evidence, in court as evidencebig, broad, clear, drop, give (somebody), catch, hint about, hint from, hint to, big, broad, clear, drop, give (somebody), catch, hint about, hint from, hint to, strong, barest, faint, detect, notice, sense, hint of, at the first hint of something, handy, helpful, practical, give (somebody), offer (somebody), hint about, hint onaccurate, good, reliable, be, serve as, provide (somebody with), point to something, show something, suggest something, indicator forclear, unmistakable, agreed, give (somebody), make, send, come from something, indicate something, at a signal, on a signal, signal for, railroad, railway, traffic, operate, be on red/​green, be red/​green, fail, box, failure, faint, weak, strong, carry, pass, relay, travel, fade, intensity, strength, signal from, signal to, clear, unmistakable, agreed, give (somebody), make, send, come from something, indicate something, at a signal, on a signal, signal for
Antonymsobscurity, mysterydoubt, disbelief, uncertaintyguess, certainty, statementmisleading sign, confusionnoise, silence
Common mistakesConfusing 'clue' as singular with 'clues' as plural., Using 'clues' in non-mystery contexts without proper explanation., Mixing 'clue' with unrelated terms like evidence.Confusing 'evidence' with 'advise' which has a different meaning., Using 'evidences' as a plural form, which is incorrect., Mixing up 'evidence' with 'evidence of' when describing specific proof.Confused with 'hint' as a noun and a verb., Using 'hint' in formal contexts where a clearer statement is better., Forgetting to use 'at' or 'about' after 'hint'.Confusing 'indicator' with 'indicator light' which is a more specific term., Using 'indicate' as a noun instead of 'indicator'., Mistaking it for a verb and using it incorrectly in sentences.Confused with 'sign' — remember 'signal' is an act of sending a message., Using the wrong preposition, e.g., 'signal to' instead of 'signal for'., Mispronunciation, often saying 'sig-nal' instead of 'sig-nuhl'.
Usage notesUse 'clues' in contexts like solving puzzles or mysteries. Avoid in formal writing without proper context.Used in formal contexts like court or research. Avoid in casual conversations unless specifically discussing proof.Use 'hint' when suggesting something indirectly. It's more formal in writing and more casual in conversation. Avoid using it in situations that require direct communication.Used in both formal and informal contexts to refer to signs or signals of something. Avoid using in overly casual speech.Commonly used in both formal and informal contexts. In technical settings, it may refer to electromagnetic signals or communication. Avoid in very casual conversations.

See it in real clips

Clues
Evidence
Hint

Frequently asked questions: Clues vs Evidence vs Hint vs Indicator vs Signal

What's the difference between Clues, Evidence, Hint, Indicator, and Signal?

Clues: Hints that help you solve a problem or mystery. Evidence: Proof or information that shows something is true. Hint: A small clue or piece of information. Indicator: Something that shows or points out a condition or situation. Signal: A sign or message that tells someone something.

Can you show an example of each?

Clues: The detective found several useful clues at the scene of the crime. Evidence: The detective found important evidence at the crime scene. Hint: She gave me a subtle hint about the surprise party. Indicator: The economic indicators are better than expected. Signal: The radio signal was weak, making it difficult to hear the news.

Can I use Clues, Evidence, Hint, Indicator, and Signal interchangeably?

Not always. Clues, Evidence, Hint, Indicator, and Signal are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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