Choose one of the following options that means the opposite of the given word

Stationary

Select the word or pharse which is closes to the OPPOSITE in meaning of the highlighted word or phrase

$Feasibility$ of the project is under study.

Choose one of the following options that means the opposite of the given word

Artificial

Choose one of the following options that means the opposite of the given word

Hostile

Select the word or pharse which is closes to the OPPOSITE in meaning of the highlighted word or phrase

I thought about her a lot during the $following$ months.

In the following questions choose the word which is the exact OPPOSITE of the given words.

FRUGAL