Meanings
nounISTJ (plural ISTJs)
plural ISTJs
- abbreviationinitialismhuman sciencesInitialism of introverted, sensing, thinking and judging: a personality type in the Myers–Briggs Type Indicator.
- A person with this personality type
Cite this entry
APA
ISTJ. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/ISTJ
MLA
“ISTJ.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ISTJ. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “ISTJ,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/ISTJ.
Source: ISTJ on Wiktionary, CC BY-SA 4.0.