疎

Kanji: 疎
Level: N1
Meaning: sparse, estranged
On'yomi: ソ
Kun'yomi: うと.い, まばら
Strokes: 12
Common compounds: 疎遠 (そえん) estranged 過疎 (かそ) depopulation
Memory hook: A hill (阝) with sparse trees (束).