A clear no is more respectful than a vague maybe
The instinct is to soften a no into a maybe, hoping the request quietly disappears. It rarely does, and a vague answer usually costs more trust than a clear one.
Trade instead of just declining
“I cannot take this on right now without dropping something else. Can we prioritize?” This reframes your no as a tradeoff decision for the team to make, not a personal refusal.
Offer a real alternative
“That is not something I can commit to today, but I can by [date].” A concrete alternative shows willingness, which is what actually protects the relationship, not the yes itself.