adverb taking the 'to' particle, adverb, noun or participle which takes 'suru'
hurriedly; in a hurry; hastily
Mimetic adverb describing quick, slightly flustered or abrupt movement, often with と or する.
彼はそそくさと部屋を出て行った。
He hurriedly left the room.
そそくさと支度をして家を出た。
I got ready in a hurry and left the house.