Denshi Jisho — Online Japanese dictionary

未だ まだ 1: (Usually written using kana alone) as yet; hitherto; still;
2: not yet (with negative verb)
Common word, Na-adjective, Adverb 
未だ いまだ 1: (Usually written using kana alone) as yet; hitherto; still;
2: not yet (with negative verb)
Na-adjective, Adverb 
未だ まだき a very short while ago; very early (e.g. in the morning)
Adverb, Usually written using kana alone 
未だ いまだし something to be desired
Noun 
未だ いまだに still; even now; until this very day
Adverb 
未だしも まだしも rather; better
Common word, Adverb, Usually written using kana alone 
未だ未だ まだまだ still some way to go before the goal; still more to come; much more; not yet
Adverb, Usually written using kana alone 
未だ嘗て いまだかつて not until now (with neg. verb); never yet
Expression, Usually written using kana alone 
未だ曾て いまだかつて not until now (with neg. verb); never yet
Expression, Usually written using kana alone 

You can also

Look up kanji details for 未だ.

Try a Yahoo Jisho search for 未だ .
Try a Goo Jisho search for 未だ .
Try a Google search for 未だ .