| Main Entry: | gadfly |
| Part of Speech: | noun |
| Definition: | goad; nuisance |
Synonyms: |
annoyance, energizer, excitant, irritant, motivator, mover, pest, prod, spur, stimulator |
| Main Entry: | pick-me-up |
| Part of Speech: | noun |
| Definition: | stimulant |
Synonyms: |
analeptic, catalyst, drug, energizer, incentive, motivation, motive, restorative, reviver, shot in the arm, spark pulg, spur, stimulus, tonic, upper |
| Main Entry: | stimulant |
| Part of Speech: | noun |
| Definition: | substance that invigorates |
Synonyms: |
analeptic, bracer, catalyst, drug, energizer, excitant, goad, impetus, impulse, incentive, incitation, incitement, motivation, motive, pick-me-up, restorative, reviver, shot in the arm, spark plug, spur, stimulus, tonic, upper |
| Notes: | a stimulant is a drug; a stimulus is anything encouraging an action (but rarely is it a drug) |
Antonyms: |
depressant |