| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | silent, reserved |
| Synonyms: | buttoned up, clammed up, close, close-lipped, dummied up, have tight chops, hush-hush, on the Q. T., quiet, reticent, sedate, taciturn, tight-lipped, uncommunicative, zipped one's lips |
| Antonyms: | chatty, open, talkative |