Secular means worldly rather than religious or spiritual, temporal.
Secular is an adjective.
Synonyms: carnal, nonreligious, earthly, worldly, material.
Antonyms: divine, sacred, spiritual, religious.
The country's secular and religious politician's all agreed on this issue.
The priest has many secular interests, including dancing and playing.
The committee, although approved by the church, is totally a secular body.