Although this required greater effort than simply ignoring the invitation, it was an easy method of refusal for some individuals who might have been less likely to refuse explicitly had refusal required written correspondence.
The Israeli official said Mr. Netanyahu's refusal to explicitly endorse Palestinian statehood now did not mean he would not later.
The administration's refusal to explicitly threaten a veto drew intense criticism from both Republican and Democratic lawmakers supporting Israel.
Mr. Obama's aides said they viewed Mrs. Clinton's vote on the war in 2002 and her refusal to explicitly disavow that vote as her single biggest vulnerability, and that Mr. Obama would point it out at every opportunity.
Donald Trump's refusal to explicitly back same-sex marriage on the basis that he only supports "traditional" unions was quickly undermined when a CNN host asked him exactly what was traditional about marrying three times.
But he seemed quick to defend Trump's refusal to explicitly call it that, saying, "What the president did is he called out anyone, anyone who is responsible for fomenting this kind of bigotry, hatred, racism, and violence".
Indeed, the strength of the patient's refusal arises explicitly from the fact that the intervention may, in fact, be very effective at restoring the patient to a baseline state of health.
Mr. Graham wrote that Mr. Reid's refusal to state explicitly that energy would come first "has destroyed my confidence that there will be a serious commitment and focus to move energy legislation this year".
Their refusal was not explicitly clarified and documented, since for ethical reasons their refusal had to be respected.
On the Palestinian side they include Hamas's refusal to recognise Israel explicitly, tension between Hamas's domestic and Damascus-based leaders, and its waning authority over other armed groups.
