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plug
The physical sense of this word evokes a feeling of sudden closure or a tight seal. It is often associated with utility and necessity, whether stopping a leak or providing power. There is a tactile quality to the word, suggesting a firm fit that creates a barrier.
In a promotional context, the word carries a slightly opportunistic or aggressive tone. It describes a specific kind of marketing that feels forced or inserted into a conversation where it does not naturally belong, similar to how a physical plug is inserted into a hole.
Countable when referring to a physical object like an electrical plug or a stopper. Uncountable when referring to the act of filling a gap in a general sense.
Meanings
A device for filling a hole or connecting an electrical appliance to a power source
He pushed the plug into the socket.
To block a hole or opening to prevent leakage
She used a piece of cork to plug the leak in the pipe.
To promote a product or service persistently, especially during a media appearance
The author used the interview to plug her new novel.
Examples
Where is the plug?
Ancient engineers used lead to plug structural gaps.
Phrasal Verbs
plug in
to connect an electrical appliance to a power source
You need to plug in the lamp before you can turn it on.
plug up
to block a hole or passage completely
The drain is plugged up with hair and soap scum.
plug away
to work steadily and persistently at a difficult task
He continued to plug away at the crossword puzzle until he finished it.