na-adjective, noun
poor correspondent; dislike of writing; bad at writing
Describes a person who is reluctant to write letters, emails, or other correspondence, often due to laziness or lack of skill. Can refer to the trait or the person. Often contrasted with 筆まめ (a good correspondent).
See also: 筆まめ
彼は筆不精で、年賀状をほとんど出さない。
He is a poor correspondent and hardly ever sends New Year's cards.
筆不精を直したいけど、なかなか手
I want to overcome my dislike of writing, but I just can't seem to write letters.
筆まめ means a good or diligent correspondent, the opposite of 筆不精.
Compound of 筆 (writing brush, writing) and 不精 (laziness, indolence). The variant 筆無精 uses 無 (without) instead of 不 (not).