This pair trips people up because the two words can point in almost opposite directions. If you doubt something, you lean toward not believing it. If you suspect something, you lean toward believing it, usually about something bad.
To doubt something is to feel unsure about it or to lean toward not believing it.
doubt full definition →
To suspect something is to think it is probably true, often something negative, even without proof.
suspect full definition →
| doubt | suspect | |
|---|---|---|
| General direction | Leaning toward "probably not" | Leaning toward "probably yes" |
| Common feeling | Uncertainty | A hunch, often about something wrong |
| Simple test | "I doubt that's true" = you don't quite believe it | "I suspect that's true" = you think it probably is |
Doubt leans toward disbelief. Suspect leans toward belief, usually about something you can't yet prove.
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