Synonyms:
- Olympian,
- aloof,
- backward,
- bashful,
- blank,
- chilled,
- chilly,
- cold,
- constrained,
- cool,
- dead,
- deadpan,
- detached,
- discreet,
- distant,
- dull,
- empty,
- fishy,
- forbidding,
- frigid,
- frosty,
- glassy,
- guarded,
- icy,
- impassive,
- impersonal,
- inaccessible,
- inexpressive,
- inscrutable,
- introverted,
- lackluster,
- lusterless,
- modest,
- offish,
- poker-faced,
- remote,
- removed,
- repressed,
- reserved,
- restrained,
- reticent,
- retiring,
- shrinking,
- standoff,
- standoffish,
- stolid,
- subdued,
- suppressed,
- unaffable,
- unapproachable,
- uncongenial,
- undemonstrative,
- unexpansive,
- unexpressive,
- ungenial,
- vacant,
- vacuous,
- withdrawn,
- wooden