pensive = gânditor
She was pensive in her thoughts
Many people are pensive during tests. His essay when read made you pensive.
After receiving the news, she sat in a pensive silence, deep in thought.
Superlative of remote: remotest; comparative of remote: more remote. Superlative of painful: most painful; comparative of painful: more painful. Superlative of pensive: most pensive; comparative of pensive: more pensive.
Pensive maens deep in thought. Edwad is pensive when he reads people's minds.
he was sitting on the sofa in a pensive way, he couldn't stop thinking of her not being here any more
She sat in a pensive mood, reflecting on the day's events and lost in deep thought.
We admired the skill with which the artist captured the child's pensive expression.
I can see why the word thoughtless might seem to be an antonym for pensive, since a pensive person thinks a lot and a thoughtless person doesn't, however, thoughtlessness is really about irresponsibility, it is not really about thought in general. The opposite of thoughtless is thoughtful or responsible, not pensive. The opposite of pensive would be spontaneous, or glib.
The detective stood staring at the opaque window, looking pensive.
His forehead pursed in pensive thought, the young man contemplated life.