The term 'very conservative' can be described by three crossword solutions: STRAITLACED (11 letters), MOSSY (5 letters), and HIDEBOUND (9 letters). STRAITLACED is an adjective meaning very strict in one's behavior or attitude, often in a moralistic way. MOSSY is an adjective meaning covered with or resembling moss, suggesting something that is old-fashioned or traditional. HIDEBOUND is an adjective meaning very rigid in one's opinions or attitudes, suggesting someone who is unwilling to accept change. Together, these three words suggest someone who is very traditional and inflexible in their beliefs and behavior.