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Dullen
//ˈdʌlən// verb
Definitions
Verb
- 1 To make dull or duller; to dull. nonstandard, transitive
- 2 To become dull or duller; to dull. intransitive, nonstandard
Etymology
From dull + -en.
See also for "dullen"
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Unscramble this word: dullen