jealously guarded• Maybe the time has come when they will now pass on the secret that they have so jealously guarded.• Access to the archives was jealously guarded, and censorship of counter-revolutionary distortions was instituted.• Chocolate is a multimillion pound industry, and each hard won market segment is jealously guarded by the giant global manufacturers.• Patricia Rae Adler wrote, and jealously guarded by the MexicanAmerican boys.• Until that day this venerable charter, like a kidnapped virgin, will be jealously guarded by those who have signed it.• Both were heavy red-wine drinkers, always bloated, and each jealously guarded his own inferior status.• But Kodak has been jealously guarded since 1888.• For 20 years Marshak has owned and jealously guarded the federally registeredtrademarks for the Drifters, the Platters and the Coasters.