narrow the gap (?.)

• accost
• advance
• approach
• appropinquate
• approximate
• bear down on
• bear down upon
• bear up
• center
• centralize
• close
• close in
• close up
• close with
• come
• come closer
• come forward
• come near
• come on
• come together
• come up
• concenter
• concentralize
• concentrate
• confront
• converge
• draw near
• draw nigh
• encounter
• fall in with
• funnel
• gain upon
• intersect
• meet
• near
• nip
• pinch
• proximate
• run together
• sidle up to
• step up
• taper
• unite