Somewhat fewer or slightly below the usual amount; on the light/low side (used for quantities, numbers, degree).
ご飯は少なめに盛ってください。
Please serve me a little less rice.
今日は参加者が少なめだったが、中身は充実していた。
There were slightly fewer participants today, but the content was substantial.
味付けは少なめにして、後で調節しましょう。
Keep the seasoning light; we can adjust it later.