Select the most appropriate meaning of the underlined idiom in the given sentence.

The abrogation of article 370 was achieved in the teeth of tough resistance.

in direct opposition to

The most appropriate meaning of the underlined idiom in the given sentence is >in direct opposition to.<

The idiom "in the teeth of" means in spite of or against something. In the sentence, the author is saying that the abrogation of Article 370 was achieved despite the tough resistance from some quarters.

The other options are not correct.

• In a short span of time: This does not mean in direct opposition to something.
• In a state of uncertainty: This does not mean in direct opposition to something.
• In collaboration with: This does not mean in direct opposition to something.