Oxford Dictionary English connect up phrasal verbphrasal verb Add to my wordlistjump to other resultsPhrasal Verbsconnect somethingup (to something) | connect up (to something) Add to my wordlistjump to other resultsto join something to a supply of electricity, gas, etc. or to another piece of equipment; to be joined in this way She connected up the two computers. opposite disconnect oxfordlearnersdictionaries.com