irgendwelche

The German word "irgendwelche" is a pronoun/adjective meaning "any" or "some" (usually in a somewhat vague or unspecific sense). It is composed of:

• "irgend" – meaning "some" or "any" in an indefinite sense.
• "welche" – meaning "which" or "some".

Used together, "irgendwelche" refers to any kind/sort of things or people without specification.

Similar words:

• irgendeine/r/s (any one)
• einige (some/certain)
• manche (some)

Difference:

• "irgendwelche" is more indefinite and non-specific, emphasizing any without preference.
• "einige" or "manche" tend to imply a definite but unspecified subset.
• "irgendeine" focuses on a single, unspecified item.

Example:

• Hast du irgendwelche Fragen?
  (Do you have any questions? — any at all, no distinction.)