if not exist; if there is no; if one doesn't have
Colloquial contraction of なければ used with ある or いる to express a negative condition about existence or possession.
See also: なければ
If I don't have money, I can't buy anything.
expression, auxiliary
Colloquial contraction of なければ used as a general negative conditional auxiliary after verbs, adjectives, or nouns.
See also: なければ
expression, auxiliary
Abbreviation of なければならない; used in casual speech to express obligation or necessity.
See also: なければならない
If there's no time, I can't go to the movies.
If we don't hurry, we'll be late.
Unless it's cheap, I won't buy it.
I have to go now.
I must do my homework.
Colloquial contraction of なければ, dropping the れば and shortening the vowel.