| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | effective, powerful |
| Synonyms: | ball of fire, bullish, cogent, coming on strong, commanding, compelling, constraining, convincing, dominant, dynamic, electric, elemental, energetic, forcible, gutsy, mighty, persuasive, pithy, potent, powerhouse, puissant, punch, punchy, steamroller, stringent, strong, take-charge, take-over, telling, titanic, vehement, vigorous, violent, virile, weighty |
| Notes: | forcible indicates the use of brute force, forced means done involuntarily, and forceful suggests a potential for force |
| Antonyms: | feeble, impotent, ineffective, meek, unforceful, weak |
| Main Entry: | vigorous |
| Part of Speech: | adjective |
| Definition: | energetic, powerful |
| Synonyms: | active, athletic, ball of fire, bouncing, brisk, dashing, driving, dynamic, effective, efficient, enterprising, exuberant, flourishing, forceful, forcible, hale, hard-driving, hardy, healthy, hearty, intense, lively, lusty, mettlesome, peppy, persuasive, potent, red-blooded, robust, rugged, snappy, sound, spanking, spirited, steamroller, strapping, strenuous, strong, strong as an ox, sturdy, take-charge, take-over, tough, vital, zealous, zippy |
| Notes: | rigorous means demanding strict attention to rules and procedures; vigorous means strong and active physically or mentally |
| Antonyms: | enervated, idle, impotent, inactive, lethargic, weak |