Table of Contents
1. acid-fast
adjective. not easily decolorized by acid solutions; pertains to micro-organisms (especially the tubercle bacillus that causes tuberculosis).
Synonyms
2. fast-flying
Antonyms
Synonyms
4. fast
adjective. ['ˈfæst'] acting or moving or capable of acting or moving quickly.
Etymology
- fast (English)
- fæst (Old English (ca. 450-1100))
- fæstan (Old English (ca. 450-1100))
5. acid
noun. ['ˈæsəd'] 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.
Etymology
- acid (English)
- acide (French)
- acidus (French)
6. acid
adjective. ['ˈæsəd'] harsh or corrosive in tone.
Synonyms
Etymology
- acid (English)
- acide (French)
- acidus (French)
7. fast
noun. ['ˈfæst'] abstaining from food.
Synonyms
Etymology
- fast (English)
- fæst (Old English (ca. 450-1100))
- fæstan (Old English (ca. 450-1100))
8. fast
adverb. ['ˈfæst'] firmly or closely.
Antonyms
Synonyms
Etymology
- fast (English)
- fæst (Old English (ca. 450-1100))
- fæstan (Old English (ca. 450-1100))
9. fast
adjective. ['ˈfæst'] unwavering in devotion to friend or vow or cause.
Antonyms
Synonyms
Etymology
- fast (English)
- fæst (Old English (ca. 450-1100))
- fæstan (Old English (ca. 450-1100))