fly in the face of (something)(redirected from fly in the face of someone or something)
fly in the face of (something)
To be or act in clear conflict with or opposition to something else. I can't believe you said something so awful. It flies in the face of everything we stand for! They want to change the entire direction of the project, completely flying in the face of all the hard work we've done so far. Her controversial new theory flies in the face of everything we know about quantum mechanics.
fly in the face of someone or somethingand fly in the teeth of someone or something
Fig. to challenge someone or something; to go against someone or something. This idea flies in the face of everything we know about matter and energy. You had better not fly in the face of the committee.
fly in the face of
Also, fly in the teeth of. Act in direct opposition to or defiance of. For example, This decision flies in the face of all precedent, or They went out without permission, flying in the teeth of house rules. This metaphoric expression alludes to a physical attack. [Mid-1500s]
fly in the face of something
COMMON If something flies in the face of accepted ideas, rules, or practices, it goes against them. The plan to sell rhino horn flies in the face of the international ban. The Institute flew in the face of accepted opinion and published research suggesting the world may not be getting hotter. Note: The reference here is to a dog attacking someone by leaping or flying at their face.