nar·row 
(nărō)
(nărō)adj. nar·row·er, nar·row·est
1. Of small or limited width, especially in comparison with length.
2. Limited in area or scope; cramped.
3. Lacking flexibility; rigid: narrow opinions.
4. Barely sufficient; close: a narrow margin of victory.
5. Painstakingly thorough or attentive; meticulous: narrow scrutiny.
6. Linguistics Tense.
v. nar·rowed, nar·row·ing, nar·rows
v.tr.
1. To reduce in width or extent; make narrower.
2. To limit or restrict: narrowed the possibilities down to three.
v.intr.
To become narrower; contract.
n.
1. A part of little width, as a pass through mountains.
2. narrows (used with a sing. or pl. verb)
a. A body of water with little width that connects two larger bodies of water.
b. A part of a river or an ocean current that is not wide.
[Middle English narwe, from Old English nearu.]
narrow·ish adj.
narrow·ly adv.
narrow·ness n.