| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | effective, powerful, forceful |
| Synonyms: | almighty, authoritative, ball of fire, cogent, commanding, compelling, convincing, dominant, dynamic, efficacious, forcible, full-bodied, go-getter, great, gutsy, impressive, influential, lusty, mighty, persuasive, powerhouse, puissant, punchy, robust, spanking, stiff, strong, sturdy, telling, trenchant, useful, vigorous |
| Antonyms: | disabled, fragile, helpless, impotent, incapable, ineffective, weak |
| Main Entry: | cogent |
| Part of Speech: | adjective |
| Definition: | effective |
| Synonyms: | apposite, apt, compelling, conclusive, consequential, convictive, convincing, fitting, forceful, forcible, inducing, influential, irresistible, justified, meaningful, momentous, persuasive, pertinent, potent, powerful, puissant, relevant, satisfactory, satisfying, significant, solid, sound, strong, suasive, telling, urgent, valid, weighty, well-grounded |
| Antonyms: | impotent, ineffective, invalid, weak |
| Main Entry: | concentrated |
| Part of Speech: | adjective |
| Definition: | condensed, reduced |
| Synonyms: | boiled down, complete, crashed, entire, evaporated, fixed, full-bodied, lusty, potent, rich, robust, straight, strong, stuffed, telescoped, thick, thickened, total, unadulterated, undiffused, undiluted, undivided, unmingled, unmixed, whole |
| Antonyms: | diffuse, loose, thin |
| Main Entry: | dynamic |
| Part of Speech: | adjective |
| Definition: | active, vital |
| Synonyms: | activating, aggressive, changing, charismatic, coming on strong, compelling, driving, effective, electric, energetic, energizing, enterprising, forceful, forcible, go-ahead, go-getter, go-getting, highpowered, hyped-up, influential, intense, lively, lusty, magnetic, peppy*, play for keeps, play hard ball, potent, powerful, productive, progressive, red-blooded, strenuous, vehement, vigorous, vitalizing, zippy |
| Antonyms: | apathetic, boring, dull, inactive, passive, unexciting |
| Main Entry: | effective |
| Part of Speech: | adjective |
| Definition: | productive, persuasive |
| Synonyms: | able, active, adequate, capable, cogent, compelling, competent, convincing, direct, effectual, efficacious, efficient, emphatic, energetic, forceful, forcible, having lead in pencil, impressive, live, moving, on the ball, operative, playing hardball, potent, powerful, powerhouse, practical, producing, resultant, serviceable, serving, sound, striking, sufficient, telling, trenchant, useful, valid, virtuous, wicked*, yielding |
| Notes: | effective means 'having a (desired) result or effect,' effectual is 'succeeding in producing a desired result or effect,' and efficacious means the same as effectual as well as 'serving as an effective solution or remedy' |
| Antonyms: | fruitless, impotent, incapable, ineffective, unproductive, useless, weak |
| Main Entry: | effectual |
| Part of Speech: | adjective |
| Definition: | influential; authoritative |
| Synonyms: | accomplishing, achieving, adequate, binding, capable, conclusive, decisive, determinative, effecting, effective, efficacious, efficient, forcible, fulfilling, in force, lawful, legal, licit, potent, powerful, practicable, productive, qualified, serviceable, sound, strong, successful, telling, useful, valid, virtuous, workable |
| Antonyms: | impotent, incapable, ineffectual, unproductive, unsuccessful, useless, weak |
| Main Entry: | efficacious |
| Part of Speech: | adjective |
| Definition: | efficient, productive |
| Synonyms: | active, adequate, capable, competent, effective, effectual, energetic, influential, operative, potent, powerful, puissant, serviceable, strong, successful, useful, virtuous |
| Antonyms: | incapable, inefficacious, inefficient, unproductive, unsuccessful, useless |
| Main Entry: | efficient |
| Part of Speech: | adjective |
| Definition: | adept, effective |
| Synonyms: | able, accomplished, active, adapted, adequate, apt, businesslike, capable, clever, competent, conducive, decisive, deft, dynamic, economic, economical, effectual, efficacious, energetic, equal to, experienced, expert, familiar with, fitted, good at, good for, handy, masterly, organized, potent, powerful, practiced, productive, proficient, profitable, qualified, ready, saving, shrewd, skilled, skillful, systematic, talented, tough, useful, valuable, virtuous, well-organized |
| Antonyms: | helpless, impotent, incompetent, ineffective, inefficient, powerless, unable, weak |
| Main Entry: | eloquent |
| Part of Speech: | adjective |
| Definition: | having a skillful way with words |
| Synonyms: | affecting, ardent, articulate, expressive, facund, fervent, fervid, fluent, forceful, glib, grandiloquent, graphic, impassioned, impressive, indicative, magniloquent, meaningful, moving, outspoken, passionate, persuasive, poignant, potent, powerful, revealing, rhetorical, sententious, significant, silver-tongued, smooth-spoken, stirring, suggestive, telling, touching, vivid, vocal, voluble, well-expressed |
| Antonyms: | dull, inarticulate |