Synonyms and Antonyms for acid-fast

1. acid-fast (adj.)

not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis)

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2. fast-flying (adj.)

moving swiftly

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3. fast-growing (adj.)

tending to spread quickly

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5. acid (n.)

any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt

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7. fast (n.)

abstaining from food

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8. fast (adv.)

firmly or closely

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9. fast (adj.)

unwavering in devotion to friend or vow or cause

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10. fast (adj.)

(of surfaces) conducive to rapid speeds

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