1. A way of behaving, speaking, or responding that avoids committing oneself to a particular opinion, position, or course of action; deliberately vague or neutral
She answered in a noncommittal manner, neither agreeing nor disagreeing with the proposal.
Ela respondeu de forma evasiva, nem concordando nem discordando da proposta.
2. A demeanor that does not reveal one's thoughts, feelings, or intentions clearly
The ambassador maintained a noncommittal manner during the negotiations.
O embaixador manteve uma atitude não-comprometida durante as negociações.