doing as one pleases; having one's own way; self-indulgent
Describes behavior that is unrestrained, selfish, or without regard for others. Often used in negative contexts to criticize someone's actions.
He did whatever he pleased during the meeting and didn't listen to anyone else's opinions at all.
The children are playing freely in the park, doing whatever they want.
わがまま is a more common and general term for selfishness or willfulness, while し放題 emphasizes unrestrained action without limits.
放題 is a suffix meaning 'as much as one likes' (e.g., 食べ放題 all-you-can-eat), whereas し放題 is a fixed noun/adjectival noun meaning acting without restraint.
Standard spelling using kana for し and kanji for 放題.
Kanji spelling using 仕 for し; less common and may be confused with other readings.
Kanji spelling using 為 for し; very rare and potentially confusing.
Compound of し (continuative form of する 'to do') + 放題 (suffix meaning 'as much as one likes'). The combination lexicalized into a noun/adjectival noun meaning unrestrained behavior.