This is the 3005th most frequent Russian word.
думаешь
"Ты думаешь" means "You think" in English.
The word 'думаешь' is used here as a verb in second person singular present, meaning 'you think' in the context of expressing an opinion or forming a thought.
Ты думаешь, что это хорошая идея?
Do you think it's a good idea?
In this sentence, 'думаешь' reflects the act of thinking or opinion held by 'you', indicating ownership of thoughts in a context of inquiry.
Я не знаю, что ты думаешь об этом.
I don't know what you think about this.
Here, 'думаешь' conveys intent or planning about a future action, inquired from the second person singular perspective.