| Word | Definitions | Synonyms |
|---|---|---|
| frolicsome | (adjective) given to merry frolicking | Synonyms: coltish, frolicky, rollicking, sportive |
| frolicsomeness | (noun) lively high-spirited playfulness | Synonyms: friskiness, sportiveness |
| hydraulics | (noun) study of the mechanics of fluids | Synonyms: fluid mechanics |