sabbatical
1. [ adjective ] of or relating to sabbatical leave
Examples:

"sabbatical research project"

2. [ adjective ] of or relating to the Sabbath
Synonyms: sabbatic
Examples:

"Friday is a sabbatical day for Muslims"

Related terms: Sabbath
3. [ noun ] (work) a leave usually taken every seventh year
Synonyms: sabbatical_leave
Related terms: leave sabbatical_year
Similar spelling:   sabbatic