noun

1. A small plain-colored bird of the family Apodidae that resembles a swallow and is noted for its rapid flight.

2. Any of certain lizards of the genus Sceloporus.

3. A moth of the family Hepialidae, swift moth, ghost moth.

Synonyms: fence lizard, needletail, spinetail, swiftlet

adjective

1. Fast; quick; rapid.

2. Capable of moving at high speeds.

adverb

1. Swiftly.

Synonyms: swith