noun
plug
pluhg
noun
1
A device with pins that connects an appliance to an electrical socket.
"The plug wouldn't fit the socket, so we used an adapter."
2
An object used to fill or block a hole.
"He pulled the plug and the sink drained."
verb
1
To connect a device to a power source using its plug.
"Plug the charger in before you go to bed."
2
To block or seal a hole or gap.
"They plugged the leak with a rag until the plumber arrived."
3
(informal) To promote or mention something favourably, especially one's own work.
"The host let the author plug her new book."
4
To keep working steadily at something.
"He just kept plugging away at his savings goal."
How to Use Plug
Learner’s notesIn plain EnglishAn object (or the electrical connector) that fills a gap or makes a connection, or the act of blocking a hole, connecting power, or promoting something.
Common pairings
plug in
plug a gap
plug away
plug something on TV
Word Forms
plugged past tense, plugs singular
Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “plug”
A quick quiz — meaning, synonyms & usage
→
Fill the Gap
Can you complete this real example?
The _____ wouldn't fit the socket, so we used an adapter.
Etymology
Borrowed from Dutch "plug", meaning a peg or stopper.