The quality or state of being strongly attached; firmness, secureness, tenacity. / The quality or state of moving quickly; quickness, rapidity, swiftness.

abstinence or mortification for religious reasons, especially abstinence from food / abstinence from food, limiting caloric intake, for medical or health reasons, dieting

present participle and gerund of fast

plural of fastness

simple past tense and past participle of fast

plural of fast

Third-person singular simple present indicative form of fast

plural of Fast

Firm or planted in the earth, and difficult to remove.

(historical) A con game played with a chain, belt or string that is laid down to form two open loops. The mark places a finger or stick in one of the loops to try and secure (fast) the chain when it gets lifted, but either loop can fast or fail to fast (loose) the chain around the mark's finger/stick depending on where the con artist decides to lift the chain.