Словарь синонимов английского языка - tighten

(v) 1. Sometimes, tighten down or up. anchor, fasten, fix, tense, secure: Tighten those last two screws and you're finished. 2. make tighter or tenser or stronger, strengthen: He tightened his grip on my hand. 3. Sometimes, tighten up. make more rigorous or ctrict or stringent or severe or restrictive, close gaps in: We ought to tighten security at the warehouse. 4. Sometimes, tighten up. tauten, stiffen, tense, close: I felt the noose begin to tighten round my neck.