形容词

1. 不言明的;含蓄的
Something that is implicit is expressed in an indirect way.

1. being without doubt or reserve

e.g. implicit trust

Synonym: unquestioning

2. implied though not directly expressed
inherent in the nature of something

e.g. an implicit agreement not to raise the subject
there was implicit criticism in his voice
anger was implicit in the argument
the oak is implicit in the acorn

Synonym: inexplicit