silt - definition and synonyms

verb 

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/sɪlt/
present tense
I/you/we/theysilt
he/she/itsilts
present participlesilting
past tensesilted
past participlesilted

phrasal verb

silt up

[intransitive]
present tense
I/you/we/theysilt up
he/she/itsilts up
present participlesilting up
past tensesilted up
past participlesilted up
to become filled with silt