Answer: closedin

AnswerCrossword Clue
CLOSEDIN

Moved up (on)

CLOSEDIN

Inducing claustrophobia

CLOSEDIN

Got nearer to capturing, with "on"

CLOSEDIN
Converged (on)
CLOSEDIN
Narrowed the gap
CLOSEDINConfined
CLOSEDINTightened the net
CLOSEDINFenced
CLOSEDINEncircled
CLOSEDINClaustrophobic
CLOSEDINNeared, with "on"
CLOSEDINGot ready to pounce
CLOSEDINTrapped
CLOSEDINNeared (with "on")
CLOSEDIN... on: enveloped
CLOSEDINPrepared for a raid