sick - definition and synonyms

verb 

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/sɪk/
present tense
I/you/we/theysick
he/she/itsicks
present participlesicking
past tensesicked
past participlesicked

phrasal verb

sick up

[transitive]
present tense
I/you/we/theysick up
he/she/itsicks up
present participlesicking up
past tensesicked up
past participlesicked up
British informal
if you sick up food that you have eaten, it comes out of your stomach through your mouth