MEANING
To produce a continuous or rhythmic low humming vibration.
Use it for
Words that belong together
- engine thrums
- thrum beneath the floor
On the page
The generators thrummed beneath the floor.
Nearby words
Word forms
- Base
- thrum
- Past tense
- thrummed
- Past participle
- thrummed
- Present participle
- thrumming
Full tense & aspect guide
- Present
- thrum
- Present continuous
- am/is/are thrumming
- Present perfect
- have/has thrummed
- Present perfect continuous
- have/has been thrumming
- Past
- thrummed
- Past continuous
- was/were thrumming
- Past perfect
- had thrummed
- Past perfect continuous
- had been thrumming
- Future
- will thrum
- Future continuous
- will be thrumming
- Future perfect
- will have thrummed
- Future perfect continuous
- will have been thrumming
Choose the auxiliary that agrees with your subject. These are constructions of one word, not separate entries.
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Usage notes
Primary category: literary / elevated general. Forms: thrum; thrums; thrummed; thrummed; thrumming Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common. Third-person singular: thrums.
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