adv
extremely
ihks-TREEM-lee
adv
1
To a very great or intense degree.
"The test results were extremely encouraging."
"She was extremely tired after the long flight."
How to Use Extremely
Learner’s notesIn plain EnglishA strong intensifier meaning "very" or "to a high degree."
Common pairings
extremely difficult
extremely happy
extremely rare
Word Forms
more extremely comparative, most extremely superlative
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The test results were _____ encouraging.
Etymology
Formed from "extreme" + the adverb suffix -ly.