| awaken | (verb) cause to become awake or conscious | Synonyms: arouse, rouse, wake, wake up, waken |
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| (verb) stop sleeping | Synonyms: arouse, awake, come alive, wake, wake up, waken |
| (verb) make aware | - |
| betoken | (verb) indicate, as with a sign or an omen | Synonyms: augur, auspicate, bode, forecast, foreshadow, foretell, omen, portend, predict, prefigure, presage, prognosticate |
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| (verb) be a signal for or a symptom of | Synonyms: bespeak, indicate, point, signal |
| blacken | (verb) make or become black | Synonyms: black, melanise, melanize |
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| (verb) burn slightly and superficially so as to affect color | Synonyms: char, scorch, sear |
| brisken | (verb) become brisk | Synonyms: brisk, brisk up |
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| darken | (verb) become dark or darker | - |
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| (verb) make dark or darker | - |
| (verb) tarnish or stain | - |
| harken | (verb) listen; used mostly in the imperative | Synonyms: hark, hearken |
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| hearken | (verb) listen; used mostly in the imperative | Synonyms: hark, harken |
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| liken | (verb) consider or describe as similar, equal, or analogous | Synonyms: compare, equate |
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| quicken | (verb) give new life or energy to | Synonyms: animate, reanimate, recreate, renovate, repair, revive, revivify, vivify |
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| (verb) show signs of life | - |
| (verb) give life or energy to | Synonyms: invigorate |
| (verb) move faster | Synonyms: accelerate, speed, speed up |
| (verb) make keen or more acute | Synonyms: whet |
| reawaken | (verb) awaken once again | - |
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| sicken | (verb) get sick | Synonyms: come down |
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| (verb) make sick or ill | - |
| (verb) cause aversion in; offend the moral sense of | Synonyms: churn up, disgust, nauseate, revolt |
| (verb) upset and make nauseated | Synonyms: nauseate, turn one's stomach |
| slacken | (verb) become looser or slack | - |
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| (verb) make slack as by lessening tension or firmness | Synonyms: remit |
| (verb) become slow or slower | Synonyms: slack, slow, slow down, slow up |
| (verb) make less active or fast | Synonyms: relax, slack, slack up |
| thicken | (verb) become thick or thicker | Synonyms: inspissate |
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| (verb) make thick or thicker | Synonyms: inspissate |
| (verb) make viscous or dense | Synonyms: inspissate |
| waken | (verb) stop sleeping | Synonyms: arouse, awake, awaken, come alive, wake, wake up |
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| (verb) cause to become awake or conscious | Synonyms: arouse, awaken, rouse, wake, wake up |
| weaken | (verb) become weaker | - |
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| (verb) lessen the strength of | - |
| (verb) reduce the level or intensity or size or scope of | Synonyms: de-escalate, step down |
| (verb) lessen in force or effect | Synonyms: break, damp, dampen, soften |
| (verb) destroy property or hinder normal operations | Synonyms: counteract, countermine, sabotage, subvert, undermine |