We found 9 dictionaries that define the word a shot in the arm:

General (8 matching dictionaries)

1. a shot in the arm: Merriam-Webster
2. a shot in the arm: Oxford Learner's Dictionaries
3. a shot in the arm: Cambridge Advanced Learner's Dictionary
4. A Shot In The Arm: A to Z list of the most popular idioms
5. A shot in the arm: Phrase Finder
6. a shot in the arm: Longman Dictionary of Contemporary English

Miscellaneous (1 matching dictionary)

7. a shot in the arm: Idioms

Phrases: one who may give you a shot in the arm, more... ▸ Words similar to a shot in the arm ▸ Usage examples for a shot in the arm ▸ Idioms related to a shot in the arm ▸ Wikipedia articles (New!) ▸ Words that often appear near a shot in the arm ▸ Rhymes of a shot in the arm ▸ Invented words related to a shot in the arm