1. work done in addition to one's main occupation; supplementary or secondary work
Usage: often used to describe part-time or freelance work undertaken alongside a primary job

Examples

• She took on bywork as a freelance editor to supplement her teaching income.
• His bywork in carpentry helped him pay for his college tuition.
• Many artists support themselves through bywork while pursuing their creative projects.
• The consultant's bywork included writing articles for professional journals.
• He managed his bywork schedule carefully to avoid conflicts with his full-time job.