1. 无条件的；无限制的
If you describe something as unconditional, you mean that the person doing or giving it does not require anything to be done by other people in exchange.

1. not conditional

e.g. unconditional surrender

Synonym: unconditioned

2. not contingent
not determined or influenced by someone or something else

3. not modified or restricted by reservations

e.g. a categorical denial
a flat refusal

Synonym: categoriccategoricalflat