1. small; little; tiny
すると指先に小さくて固い物が触れる。Then, something small and hard touches my fingertips.
2. slight; below average (in degree, amount, etc.); minor; small
3. low (e.g. sound); soft (e.g. voice)
やがてその警報が小さくなり、直後、止まった。Soon the alarm grew quieter, and immediately after, it stopped.
4. unimportant; petty; insignificant; trifling; trivial
5. young; juvenile