godan verb (-u), transitive verb, intransitive verb
worry about; be troubled by
Used for being mentally troubled or anxious about something. Can be used transitively with を or intransitively with に/で.
将来のことを煩う。
I worry about the future.
彼は小さなことにもすぐ煩う。
He quickly gets troubled even by small things.
suffix, godan verb (-u)
have trouble doing; struggle to
Attaches to the -masu stem of a verb to express difficulty or distress in performing that action. Often used in literary or formal contexts.
彼は病に伏して起き煩う日々を送った。
He spent days struggling to get up, bedridden with illness.
言い煩う気持ちを抱えながら、彼女は手紙を書いた。
While feeling troubled about how to say it, she wrote the letter.