Thoughtful, a.
- 1. Contemplative, reflective, pensive, speculative, deliberative, studious, sedate, reflecting.
- 2. Careful, heedful, regardful, mindful, attentive, considerate, circumspect, wary, discreet, prudent.
- 3. Studious, serious, sober, quiet, promoting thought.
Thoughtfulness, n.
- 1. Deep meditation.
- 2. Serious attention, anxiety, solicitude.
Thoughtless, a.
- 1. Heedless, regardless, careless, neglectful, negligent, inattentive, inconsiderate, unmindful, unobservant,
remiss, unwatchful, inadvertent, flighty, reckless, hare-brained, giddy-brained, light-headed, giddy.
- 2. Stupid, dull, insensate, unthinking, blockish.
- 3. Dissipated, gay, giddy, loose.
Thoughtlessness, n. Inattention, heedlessness, carelessness, absence of mind, inadvertence, neglect, oversight.
Thousand, n.
- 1. Ten hundred.
- 2. Great number, many, multitude, myriad.
Thraldom, n. Slavery, servitude, subjection, bondage, vassalage, serfdom, enslavement, enthralment, thrall.
Thrall, n.
- 1. Slave, bondman, vassal, serf.
- 2. See Thraldom.
Thrall, v. a. Enslave, enthrall.