温かい

1. Origins, structure, and basic meaning

• Structure: 温かい is an い-adjective read あたたかい, expressing warmth or kindness.
• Basic usage: 温かいお茶 describes the tea's temperature; 温かい言葉 describes the care conveyed by words.

2. Common pitfalls and similar expressions

• Same reading, different spelling
  • 暖かい is mainly used for warmth in the weather or surrounding air. Distinguish it from 温かい as used here for food or kindness.
• Degree
  • 温かい does not always mean extremely hot.
• Negative form
  • Its negative form is 温かくない.