It came after he was recently reprimanded by the church for doing just that on Have I Got News For You.
Richard said he could risk disciplinary action for uttering foul language, according to the Clergy Discipline Measure.
Speaking out on the moment he was scolded for his words on the panel show, he said: “I could be done under the terms of the clergy discipline measure.
“I once let out a bad word on Have I Got News For You.
“When I opened my email the next day, the first thing I saw was ‘Lambeth Palace complaint’.
“I’ve been a bit wary since.”
The star is a regular contributor to Have I Got News For You and has appeared in several episodes.
Love Your Weekend With Alan Titchmarsh airs at 10am Sunday and Alan Titchmarsh: Spring Into Summer at 8pm Monday, both on ITV.