This is the 3756th most frequent Japanese word.
たっ
"たっ" is not a standalone word in Japanese; it might be part of a phrase or an incomplete expression. Context is needed for interpretation.
In this sentence, 'たった' is an adverb meaning 'just now,' indicating immediacy.
私はたった今出発しました。
I just left now.
Here, 'たった' is used as an intensifier to emphasize 'alone.'
たった一人でここまで来たの?
Did you come all the way here alone?
In this usage, 'たっ' is part of the word 'たっぷり,' which means 'plenty' or 'ample.'