°Of a space, etc, narrow, so that it is difficult for something or someone to pass through it.
"The passageway was so tight we could barely get through."
verb
°Firmly, so as not to come loose easily.
"Make sure the lid is closed tight."
°Soundly.
"Good night, sleep tight."
synonyms:
close, serried, tight-fitting, narrow
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, taut, tense, tension, polished, precise, close-knit, intimate, ace, cool, fab, rad, slick, fast, firmly, securely, soundly, well