Denshi Jisho — Online Japanese dictionary

直ぐに すぐに instantly; immediately
Adverb, Usually written using kana alone 

You can also

Look up kanji details for 直ぐに.

Try a Yahoo Jisho search for 直ぐに .
Try a Goo Jisho search for 直ぐに .
Try a Google search for 直ぐに .