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thicken

/ˈθɪkən/ verb B2
  1. To make thicker (in the sense of wider). (transitive)
  2. To make thicker (in the sense of more viscous). (transitive) · to thicken a sauce
  3. To become thicker (in the sense of wider). (intransitive)
  4. To become thicker (in the sense of more viscous). (intransitive)
  5. To strengthen; to confirm. (transitive)
  6. To make more frequent. (transitive) · to thicken blows
  7. To make more detailed or comprehensive. (literary)

He/she/it thickens · Past thickened · Past participle thickened · -ing form thickening

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Verb forms

Base form
thicken
He/she/it
thickens
Past
thickened
Past participle
thickened
-ing form
thickening

From the library

At the end farthest from the house they thickened into a continuous hedge.
The Valley of Fear, p. 62 · C1
“The plot thickens,” he said, as I entered; “I have just had an answer to my American telegram.
A Study in Scarlet, p. 49 · B2
“The plot thickens.”
A Study in Scarlet, p. 66 · B2
A heavily timbered park stretched up in a gentle slope, thickening into a grove at the highest point.
The Adventures of Sherlock Holmes, p. 53 · B2

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Words, meanings, pronunciations and translations from Wiktionary (CC BY-SA 4.0); how common each word is from wordfreq. Made into this dictionary by FluentPlex.