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| Main Entry: | |
| Part of Speech: | noun |
| Definition: | advancement, gain |
| Synonyms: | advance, amelioration, anabasis, betterment, boost, break, breakthrough, buildup, course, dash, development, evolution, evolvement, expedition, flowering, growth, headway, hike, impetus, improvement, increase, journey, lunge, march, momentum, motion, movement, ongoing, pace, passage, process, procession, proficiency, progression, promotion, rate, rise, step forward, stride, tour, unfolding, voyage, way |
| Antonyms: | decline, decrease, deterioration, retreat, retrogression |
| Main Entry: | spring |
| Part of Speech: | noun |
| Definition: | origin |
| Synonyms: | beginning, cause, consideration, fount, fountain, fountainhead, impetus, motive, root, source, stimulus, well, wellspring, whence |
| Antonyms: | end, result |
| Main Entry: | spur |
| Part of Speech: | noun |
| Definition: | incitement, stimulus |
| Synonyms: | activation, actuation, catalyst, excitant, goad, goose, impetus, impulse, incentive, incitation, inducement, motivation, motive, needle, prick, stimulant, trigger, turn-on, urge |
| Antonyms: | curb, hindrance |
| 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 |
| Main Entry: | stimulus |
| Part of Speech: | noun |
| Definition: | provocation |
| Synonyms: | bang*, boost, catalyst, cause, charge, encouragement, eye-opener, fillip, fireworks*, flash*, goad, impetus, impulse, incentive, incitation, incitement, inducement, instigation, invitation, kick*, motivation, motive, piquing, propellant, push, shot in the arm, spur, stimulant, stimulation, sting*, turn-on, urging |
| Notes: | a stimulant is a drug; a stimulus is anything encouraging an action (but rarely is it a drug) |
| Antonyms: | discouragement, hindrance, tranquilizer |
* = informal/non-formal usage
| Main Entry: | thrust |
| Part of Speech: | noun |
| Definition: | forward movement |
| Synonyms: | advance, blitz, boost, drive, impetus, impulsion, jump, lunge, momentum, onset, onslaught, poke, pressure, prod, propulsion, punch, push, shove, stab, whack, wham |
| Antonyms: | pull |
| Main Entry: | urge |
| Part of Speech: | noun |
| Definition: | very strong desire |
| Synonyms: | appetite, appetition, compulsion, craving, drive, druthers, fancy, fire in belly, goad, impetus, impulse, incentive, itch, longing, lust, motive, passion, pressure, stimulant, stimulus, sweet tooth, weakness, wish, yearning, yen |
| Antonyms: | dislike, hate |
| Main Entry: | velocity |
| Part of Speech: | noun |
| Definition: | speed |
| Synonyms: | acceleration, celerity, dispatch, expedition, fleetness, gait, haste, headway, hurry, impetus, momentum, pace, quickness, rapidity, rapidness, rate, swiftness, tempo |
| Notes: | speed is the distance an object travels during a unit of time; velocity is the distance an object travels in a specified direction during a unit of time |
| Main Entry: | get-up-and-go |
| Part of Speech: | noun |
| Definition: | drive |
| Synonyms: | ambition, clout, effort, energy, enterprise, fire in belly, goods*, gumption*, guts*, hustle, impellent, impetus, impulse, initiative, momentum, motivation, motive, moxie*, pep, pressure, punch*, push*, right stuff, spunk*, steam, stuff*, vigor, vitali |
* = informal/non-formal usage
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Roget's 21st Century Thesaurus, Third Edition
Copyright © 2013 by the Philip Lief Group.
Cite This Source
Copyright © 2013 Dictionary.com, LLC. All rights reserved.
