Simple past tense and past participle of syringe.(verb)
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Use "syringed" in a sentence
"So I made an appointment to get my ears syringed, which is where we came in."
"Time, one might think, for a visit to the Doctor to have the ears syringed, a record of which will swiftly wing its way to every civil servant, police officer, social worker and local government officer in the land."
"There is no word to describe the absolute absence of energy, it feels like someone has syringed all the energy out of my body and left me in a crumpled sleeping heap."