Clue vs Indication vs Suggestion

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

Clue

Top 2,000 (common)B1noun

Indication

Top 1,000 (very common)B2noun

Suggestion

Top 2,000 (common)A2noun
Most common: Indication
 ClueIndicationSuggestion
Pronunciation🇬🇧 /["/kluː/"]/🇺🇸 /["/kluː/"]/🇬🇧 /["/ˌɪndɪˈkeɪʃn/"]/🇺🇸 /["/ˌɪndɪˈkeɪʃn/"]/🇬🇧 /["/səˈdʒestʃən/"]/🇺🇸 /["/səˈdʒestʃən//səɡˈdʒestʃən/"]/
MeaningA hint or piece of information that helps solve a problem or mystery.A sign or suggestion that something is true or might happen.An idea that you give to someone about what they could do.
ExampleThe detective found an important clue at the crime scene.The sudden drop in temperature is an indication that a storm is approaching.I have a suggestion for our next project that I believe will improve our results.
RegisterNeutralNeutralNeutral
How commonTop 2,000 (common)Top 1,000 (very common)Top 2,000 (common)
CEFR levelB1B2A2
Part of speechnounnounnoun
Collocationsgood, important, useful, contain, have, hold, clue about, clue (as) to, good, important, useful, contain, have, hold, clue about, clue (as) to, good, important, useful, contain, have, hold, clue about, clue (as) tofirm, good, strong, be, serve as, have, point to something, show something, suggest something, amid indications of, amid indications that…, indication as to, (all) the indications are that…, early indications are that…, preliminary indications are that…constructive, excellent, good, have, come up with, give somebody, box, at the suggestion of, suggestion about, suggestion as to, amid suggestions that…, be open to suggestion, be open to suggestions, constructive, excellent, good, have, come up with, give somebody, box, at the suggestion of, suggestion about, suggestion as to, amid suggestions that…, be open to suggestion, be open to suggestions, implicit, hypnotic, by suggestion, through suggestion, the power of suggestion, faint, mere, slightest, carry, have, at the suggestion of, suggestion of
Antonymsmystery, puzzleconfusion, ambiguitydisapproval, rejection
Common mistakesConfused with 'clue' vs 'clueing in'., Using 'clue' as a verb incorrectly., Saying 'a clue for' instead of 'a clue to'.Confused with 'indicate' as a verb., Using 'indication' without a clear object or context., Mixing up 'indication' with similar-sounding words like 'indecision'.Using 'suggestion' when a more forceful term like 'order' is needed., Confusing 'suggestion' with 'suggestive,' which has a different meaning., Saying 'give a suggestion' instead of 'make a suggestion.'
Usage notesUse 'clue' in detective stories, puzzles, or games. Avoid in serious academic writing, except in case studies or psychology.Used in both spoken and written contexts. It's more common in formal discussions, such as reports or presentations. Avoid using it in very casual conversations.Use 'suggestion' in both casual and formal contexts. It’s appropriate when offering advice or ideas but should be avoided in situations requiring direct commands or instructions.

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Indication

Frequently asked questions: Clue vs Indication vs Suggestion

What's the difference between Clue, Indication, and Suggestion?

Clue: A hint or piece of information that helps solve a problem or mystery. Indication: A sign or suggestion that something is true or might happen. Suggestion: An idea that you give to someone about what they could do.

Which is more common: Clue, Indication, and Suggestion?

Indication is the most common in everyday English.

Which is more advanced: Clue, Indication, and Suggestion?

Indication is the highest level, at B2, on the CEFR scale.

Are Clue, Indication, and Suggestion the same CEFR level?

Clue: B1, Indication: B2, Suggestion: A2 on the CEFR scale.

What part of speech are Clue, Indication, and Suggestion?

Clue: noun, Indication: noun, Suggestion: noun.

Can you show an example of each?

Clue: The detective found an important clue at the crime scene. Indication: The sudden drop in temperature is an indication that a storm is approaching. Suggestion: I have a suggestion for our next project that I believe will improve our results.

Can I use Clue, Indication, and Suggestion interchangeably?

Not always. Clue, Indication, and Suggestion 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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