'explicit refusal' is a perfectly correct and usable phrase in written English.
You could use it to describe a situation where someone has made it clear that they are not going to allow something to happen. For example, "Julie made an explicit refusal when her boss asked her to work late."
Israeli officials seemed most gratified with Mr. Obama's explicit refusal to follow a policy of containing a nuclear-armed Iran.
But the justices seemed to agree that the statute did not literally depend on an explicit refusal.
Some of his stances, such as his explicit refusal to condemn a blasphemy law that is used to persecute religious minorities, smack of political calculation or worse.
It is a reassuring fantasy that tells these young men that by respecting a woman's explicit refusal of their advances, they are not only failing to achieve masculinity, but also letting the woman down.
Discrimination in health care goes beyond the explicit refusal of services, according to the director of LGBT HealthLink, who goes by the singular name Scout and is also an adjunct assistant clinical professor at Boston University School of Public Health and himself transgender.
The available data suggest that providing the option of explicit refusal in a mail survey may increase the rate of explicit refusal without increasing overall non-participation [ 29].
Participation, explicit refusals, and item responses were compared.
Numbered return envelopes may reduce the response rate and increase explicit refusals to participate in a sensitive survey.
The participation was higher and explicit refusals were fewer when the returned envelopes were not numbered (Table 2).
The proportion of explicit refusals was lower by 5.6%9595% CI 1.1%to9.9%9%, p = 0.016) for non-numbered envelopes.
The dependent variables were the survey response rate among eligible participants and the proportion of explicit refusals.
