IPA: /dɪsˈkəʊnɛktɪd/
KK: /dɪsˈkɒnɛktɪd/
Not joined or linked; separate from something else.
The disconnected wires caused the device to stop working.
Disconnected → It is formed from "dis-" (meaning apart) and "connect" (from Latin "connectere", meaning to bind together). The word describes something that is not bound together or is separated.
Think of being 'apart' ('dis-') from something that is 'bound together' ('connect'). This helps you remember that 'disconnected' means not connected.