Denshi Jisho — Online Japanese dictionary

Couldn't find anything for 無い~, so trying 無い instead.

無い ない 1:
2: (Usually written using kana alone) nonexistent; not being (there);
3: unpossessed; unowned; not had;
4: unique;
5: indicates negation, inexperience, unnecessariness or impossibility; (Auxiliary adjective) (after the ren'youkei form of an adjective) not ...;
6: (after the -te form of a verb) to not be...; to have not ...
Common word, Adjective 
無いと ないと 1: (Usually written using kana alone) (Abbreviation) (Colloquialism) (after negative base of verb) have to (verb); must (verb);
2: is indispensable; absolutely necessary
Expression 
無い乳 ないちち very small breasts
Noun, Usually written using kana alone, Colloquialism 
無い内に ないうちに (after neg. stem of verb) before it becomes (verb); before (an undesirable thing occurs)
Expression 
無いより増し ないよりまし It's better than nothing
Expression, Idiomatic expression 
無い物ねだり ないものねだり asking for the moon; asking for too much
Noun, Suru verb 
無いといけない ないといけない 1: (Usually written using kana alone) (after negative base of verb) have to (verb); must (verb);
2: is indispensable; absolutely necessary
Expression, Adjective 
無いと行けない ないといけない 1: (Usually written using kana alone) (after negative base of verb) have to (verb); must (verb);
2: is indispensable; absolutely necessary
Expression, Adjective 
無い袖は振れぬ ないそではふれぬ you can't give (use) what you don't have; nothing comes from nothing; lit: you can't shake sleeves you don't have
Expression 
無いといけません ないといけません 1: (Usually written using kana alone) (after negative base of verb) have to (verb); must (verb);
2: is indispensable; absolutely necessary
Expression 
無いと行けません ないといけません 1: (Usually written using kana alone) (after negative base of verb) have to (verb); must (verb);
2: is indispensable; absolutely necessary
Expression 

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