—adj. 1. firmly or closely fixed in place; not easily moved; secure: a tight knot. 2. drawn or stretched so as to be tense; taut.
3. affording little or no extra room; fitting closely, esp. too closely: a tight collar. 4. difficult to deal with or manage: to be in a tight situation. 5. of such close or compacted texture, or fitted together so closely, as to be impervious to water, air, steam, etc.: a good, tight roof. 6. concise; terse: a tight style of writing. 7. firm; rigid: his tight control of the company. 8. carefully arranged or organized and full; affording little leeway; compact: a tight schedule. 9. nearly even; close: a tight race. 10. Informal. a. close, as friends; familiar or intimate.
b. united: The strikers are tight in their refusal to accept the proposed contract. 11. parsimonious; stingy.
12. Slang.drunk; tipsy.
13. characterized by scarcity or eager demand; costly; limited; restricted: a tight job market; tight money. 14. Journalism.(of a newspaper) having more news available than is required for or utilizable in a particular issue.
15. Baseball.inside (def. 20).
16. Scot. and North Eng.competent or skillful.
18. neatly or well built or made.
—adv. 1. in a tight manner; closely; firmly; securely; tensely: Shut the door tight. The shirt fit tight across the shoulders. 2. soundly or deeply: to sleep tight. 3. sit tight, to take no action.