Not yet settled, for short

• "Check this time slot later"
• Initials of uncertainty
• Not finalized, briefly
• "We'll see," initially
• Not yet known: abbr
• Undecided's abbreviation
• Schedule abbr
• Kind of warcraft: Abbr
• Sched. uncertainty

Wikipedia Word definitions in Wikipedia
TBD is an abbreviation often meaning in ordinary writing " to be discussed " " to be done ", " to be defined ", " to be decided ", " to be determined ", " to be deleted ", etc. It may also refer to: The three-letter code for Three Bridges railway station ...