The term 'very devout' can be described by two crossword solutions: 'PIOUS' (5 letters) and 'religiose' (9 letters). PIOUS is an adjective that means having or showing a dutiful spirit of reverence for God or an earnest wish to fulfill religious obligations. Religiose is an adjective that means deeply devoted to religion or religious duties. Both words are used to describe someone who is very devout in their religious beliefs and practices.