The opposite word of Wag -

সঠিক উত্তরটি হচ্ছে : Freeze.
Wag (verb) :
English Meaning: 1. Wag (something) if a dog wags its tail, or its tail wags, its tail moves from side to side several times.
2. To shake your finger or your head from side to side or up and down, often because you do not approve of something.
Bangla Meaning: (wagged, wagging, wags) (লেজ ইত্যাদি) নড়া; নাড়া: a wagging tail.

Synonyms: Shake (নাড়ানো), Nod (মাথা ঘুরানো), Stir, waggle (আলোড়ন), Release (মুক্তি)।
Antonyms: Be still (অবিচল), Freeze (স্থির), Bar, Block, Suspend (সাসপেন্ড)।
Other Forms:
- Wag (noun).রসিক/আমুদে/ফুর্তিবাজ/রগুড়ে লোক।
- Waggish [ওয়্যাগিশ্] (adjective) রগুড়ে/আমুদে; সকৌতুক: wagish remarks/tricks.
- Waggishly (adverb) পরিহাসচ্ছলে; রগড়চ্ছলে ইত্যাদি।
Example Sentence:
1. Just remember what I said,’ she repeated, wagging her finger at him.

Source : Website Lecture.