1. (of a coin) altered by the insertion of a plug of base metal
   "The antique dealer discovered several plugged coins in the collection"
    
2. Completely obstructed or closed off
   "the drain was plugged";
   - blocked

1. Insert a plug into
   "plug the wall"
    
2. Insert as a plug
   "She plugged a cork in the wine bottle"
    
3. Fill or close tightly with or as if with a plug
   "plug the hole";
   - stop up, secure
    
4. Advertise; praise the qualities of something in order to sell or promote
   "The author plugged his new book on several talk shows"
    
5. [informal] Persist in working hard
   "Students must plug away at this problem";
   - plug away
    
6. [N. Amer, informal] Deliver a quick blow to
   "he plugged me in the stomach";
   - punch, dong [Austral, NZ, informal]
    
7. Replace the centre of a coin with a baser metal
   "plug a nickle"

See also: obstructed

Type of: advertise, advertize [US, non-standard], close, enclose, fill up, flack [N. Amer, informal], hang in [informal], hang on, hit, hold on, inclose, insert, introduce, persevere, persist, promote, push, put in, stick in

Encyclopedia: Plugged