simple past tense and past participle of trouble
"The storm troubled our small boat until we reached shore."
In plain English: To trouble someone means to annoy, bother, or make them feel upset.
"The storm troubled our small boat and made us worry about safety."
characterized by or indicative of distress or affliction or danger or need
"troubled areas"
"fell into a troubled sleep"
"a troubled expression"
"troubled teenagers"
characterized by unrest or disorder or insubordination
"effects of the struggle will be violent and disruptive"
"riotous times"
"these troubled areas"
"the tumultuous years of his administration"
"a turbulent and unruly childhood"
anxious, worried, careworn.
"Her troubled eyes reflected deep anxiety as she waited for the bad news."
In plain English: Troubled means feeling worried, upset, or anxious about something difficult happening to you.
"The troubled student sat quietly in the corner, looking worried about his failing grades."