noun
1 formal promise
ADJECTIVE
▪ sacred , solemn
▪ blood
▪ Hippocratic
▪
a doctor's Hippocratic ~
▪ presidential
▪ loyalty ( esp. AmE )
VERB + OATH
▪ swear , take
▪
He took an ~ of allegiance to his adopted country.
▪ sign
▪ break , violate
▪ keep , uphold
PREPOSITION
▪ ~ of
▪
an ~ of allegiance
▪
an ~ of loyalty
2 in a court of law
VERB + OATH
▪ administer
▪
Only a judge is allowed to administer the ~.
PREPOSITION
▪ on ~ ( esp. BrE ), under ~
▪
He swore on ~ that he had never seen me before.
▪
Witnesses must testify under ~.