contextual
US
UK contextual adj: (depending on context)
SC 依照上下文的 yī zhào shàng xià wén de
SC 与上下文有关的 yī zhào shàng xià wén de，yǔ shàng xià wén yǒu guān de
The meaning of the phrase is highly contextual; we can't assume anything without knowing how it was used.