The phrase "a strong unflinching" is correct and usable in written English.
It can be used to describe someone or something that is resolute and unwavering in the face of challenges or difficulties.
Example: "She gave a strong unflinching response to the criticism, standing firm in her beliefs."
Alternatives: "a steadfast and unwavering" or "a bold and resolute".
The cease-fire was begun to avoid further unnecessary bloodshed on innocent civilians, and to give errant tribesmen an opportunity to separate themselves from terrorists and their supporters, and does not in any way represent a lack of commitment on Pakistan's part, as evidenced by Pakistan's strong, unflinching and unwavering support of the war on terror.
It was not simply strong, unflinching men, expertly trained and well coordinated and directed, who went where others would not and because of uncontrollable events did not come back.
Along with my teaching skills, I bring positive and creative energy to the table and a strong desire and an unflinching commitment to work with other like-minded teachers for the betterment of students.
He has an unflinching gaze and a strong West Country accent.
Praising Hollande for his "unflinching stance" to prevent Iran from obtaining nuclear weapons as well as a strong stand against Syria's use of chemical weapons, Peres expressed confidence in France's support for peace and opposition to terrorism.
A strong heroine, a well-realised society (with parallels to our own reality TV and celebrity-obsessed culture) unflinching violence… Fantastic.
Even a uniformly strong commission enjoying unflinching backing from all the EU's members (an improbable prospect) would need years to eradicate all the rackets and rigidities it would inherit.
No, she hadn't always voted the way I wished she had had, but she was one smart woman, had championed universal health care way-back-when, and had proven she was strong and unflinching under fire.
He has a pioneer spirit, an unflinching optimism, an indomitable work ethic.
He is a poet, a school owner and an unflinching educational activist.
