Denshi Jisho — Online Japanese dictionary

Search for this in plain form: 若い

若し もし if; in case; supposing
Common word, Adverb, Usually written using kana alone 
若し ごとし like; as if; the same as
Noun, Suffix, Usually written using kana alone 
若し もしも if
Common word, Adverb 
若し もしか if; in case
Adverb, Usually written using kana alone 
若し もしや perhaps; possibly; by some chance; by some possibility
Adverb, Usually written using kana alone 
若しくは もしくは or; otherwise
Common word, Conjunction, Expression, Usually written using kana alone 
若しかして もしかして perhaps; possibly
Expression, Adverb, Usually written using kana alone 
若しもの事 もしものこと emergency; accident; rare possibility; unexpected occurrence
Expression 
若しかしたら もしかしたら perhaps; maybe; perchance; by some chance; by any chance
Common word, Expression, Adverb, Usually written using kana alone 
若しかすると もしかすると perhaps; maybe; by some chance
Common word, Expression, Adverb, Usually written using kana alone 
若しものこと もしものこと emergency; accident; rare possibility; unexpected occurrence
Expression 

You can also

Look up kanji details for 若し.

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