pensive = gânditor
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.
After receiving the news, she sat in a pensive silence, deep in thought.
Pensive maens deep in thought. Edwad is pensive when he reads people's minds.
She sat by the window, looking out at the rain, her expression pensive as she mulled over the events of the day.
he was sitting on the sofa in a pensive way, he couldn't stop thinking of her not being here any more
As the sun set over the ocean, Emily sat on the beach, lost in pensive thoughts about her future.
She sat in a pensive mood, reflecting on the day's events and lost in deep thought.
She sat by the window, gazing out at the sunset with a pensive expression on her face.
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.
His forehead pursed in pensive thought, the young man contemplated life.