guard verb

ADV. well The mountain pass is well guarded. | carefully a bird carefully guarding its eggs | fiercely, jealously She jealously guarded her position of power.

PREP. against guarding the city against attack | from pop stars who need to be guarded from their fans

PHRASES closely/heavily/securely guarded The military base is closely guarded. | guard sb/sth with your life He was under instructions to guard the key with his life. | strictly/tightly guarded strictly guarded privacy