reticent
How to Use Reticent
Learner’s notesIn plain EnglishQuiet or guarded about sharing information — someone who holds back rather than speaking freely.
Don't confuse with "reluctant" (unwilling to act) — reticent is specifically about being reserved in speech or sharing information, though the two senses overlap in casual use.
Word Forms
more reticent comparative, most reticent superlative
Fill the Gap
Can you complete this real example?
He was _____ about his time in the army.
Etymology
From Latin reticens, "keeping silent," from reticere ("to remain silent").