1.
hard, firm
Physically hard or solid, not soft. Used for objects that don't yield to pressure.
2.
stiff, rigid
Not flexible or loose. Can describe muscles, movements, or attitudes.
3.
formal, strict
When describing people or situations, means overly formal or uptight.
硬い is an i-adjective meaning hard, stiff, or rigid.
FORMS:
- 硬くない: not hard
- 硬くて: hard and...
- 硬かった: was hard
KANJI DISTINCTION:
- 硬い: physically hard (stone, meat)
- 堅い: firm, reliable, solid (person, plan)
- 固い: tight, stuck (knot, lid)
COMMON USES:
- 硬い石: hard stone
- 体が硬い: inflexible body
- 表情が硬い: stiff expression
- 頭が硬い: inflexible thinking
OPPOSITE:
柔らかい: soft, flexible