| Word | Definitions | Synonyms |
|---|---|---|
| zigzag | (adjective) having short sharp turns or angles | Synonyms: zig-zag |
| zillion | (adjective) very large indeterminate number | - |
| zippy | (adjective) quick and energetic | Synonyms: alert, brisk, lively, merry, rattling, snappy, spanking |
| (adjective) marked by lively action | Synonyms: bouncing, bouncy, peppy, spirited |