Skylarkings refer to playful or carefree activities. However, there are several antonyms one can use to describe activities that are not lively and joyful. Some of the antonyms for skylarkings include work, seriousness, solemnity, labor, and austerity. These words imply activities that require hard work and seriousness, such as professional duties, official engagements, or important responsibilities. Therefore, while skylarkings connote fun and playfulness, the antonyms highlight activities that require discipline, focus, and seriousness. It shows that the type of activities one engages in could vary depending on their mood, interests, or responsibilities.