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Definitions

lost in thought

ADJECTIVE
abstracted
Synonyms
STRONGEST
engrossed preoccupied
STRONG
withdrawn
WEAK
absent-minded inattentive out in space out to lunch remote
ADJECTIVE
distrait
Synonyms
WEAK
a million miles away abstracted distracted dreamy inattentive preoccupied
ADJECTIVE
preoccupied
Synonyms
STRONGEST
absorbed bemused distracted engaged engrossed fascinated forgetful obsessed
STRONG
absent abstracted bugged daydreaming immersed lost mooning removed spellbound woolgathering
WEAK
absent-minded airheaded asleep deep distrait faraway have on the brain heedless hung up inconscient intent moony oblivious rapt spread-out taken up unaware wrapped-up
Antonyms
STRONGEST
bored disenthralled disinterested indifferent uninterested
STRONG
existing
WEAK
observant thoughtful unoccupied
ADJECTIVE
ruminative
Synonyms
WEAK
absorbed analytical attentive brainy calculating cerebral cogitative contemplative deep deliberative discerning earnest engrossed excogitative farsighted grave in a brown study intellectual intent keen levelheaded logical meditative melancholy museful musing pensive philosophic pondering preoccupied rapt rational reasonable reasoning reflecting reflective retrospective serious sober speculative studious subjective thinking wise wistful
ADJECTIVE
thoughtful
Synonyms
STRONGEST
analytical attentive cerebral earnest melancholy pensive rational reasonable reflective serious sober studious wise
WEAK
absorbed brainy calculating cogitative deep deliberative discerning engrossed farsighted grave intellectual intent keen levelheaded logical meditative museful musing philosophic pondering preoccupied rapt reasoning reflecting retrospective ruminative subjective thinking wistful
Antonyms
STRONGEST
flippant happy ignorant inattentive irrational stupid trivial unimportant unreasonable unserious unthoughtful
WEAK
careless heedless idiotic inconsiderate negligent obtuse remiss thoughtless uncaring unmindful

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Some whisper, some sleep, some stare at the ceiling, lost in thought.

From Los Angeles Times • May 13, 2025

She clutches a fan in her hand and gazes pensively, lost in thought, serene, yet tinged with sadness.

From BBC • Sep. 22, 2023

You could describe them as attentive, even lost in thought.

From Washington Post • Feb. 3, 2023

And Chandra Merx, a 41-year-old City Council official in Maastricht, raises her eyebrows, not only as an expression of surprise, but also as a reflex when she’s rushing or lost in thought.

From New York Times • Nov. 21, 2022

He seemed lost in thought for a moment before he refocused on her.

From "Beasts of Prey" by Ayana Gray

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.