lash, bind, settle, snap, brace, freeze, hold in place, stabilize, plug in, tack, stitch, secure, fuse, fix, interlock, attach, mount, confine, paralyze, bear down, stick, buckle, pin, meld, rivet, tie up/down, restrict, immobilize, toggle, strap, hold together, fasten, cement, embed, lodge, peg, screw down/on, nail down, strengthen (with rebar), snap down, inactivate, deactivate, bring to a standstill, undergird

chain, bar, bolt, cage, close off, blockade, keep out, padlock, lock out, barricade (an entrance), secure (a door), turn (a key), fasten (a chain), slide (the latch), deadbolt, double lock, latch, seal up, lock in/up, seal off/in