close1
 
/
kləʊs/
adj.
      - only a short distance away or apart in space or time. 
▸dense:
 close print.
  ▸
(close to)
 very near to (being or doing something).
 - denoting someone who is part of a person's immediate family, typically a parent or sibling. 
▸on very affectionate or intimate terms.
 ▸(of a connection or resemblance) strong.
 - (of observation or examination) done carefully and thoroughly.
 - (of information) carefully guarded:
 a close secret.
 ▸not willing to give away money or information.
 - uncomfortably humid or airless.
 - Phonetics  another term for high (sense 7).
 
adv.
 so as to be very near; with very little space between.
n.
   - Brit. a residential street without through access.
 - Brit. the precinct surrounding a cathedral.
 - Scottish an entry from the street to a common stairway or to a court at the back of a building.
 
Phrase
- at 
(or from)
 close quarters 
(or range)
 very or overly close to someone or something.  - close-fisted
 unwilling to spend money; mean.  - close-knit
 (of a group of people) united by strong relationships and common interests.  - close-mouthed
 reticent; discreet.  - close-run
 (of a contest or objective) won or lost by a very small margin.  - close-set
 (of things) having little space in between.  - close shave 
(also close call)
 informal a narrow escape from danger or disaster.
 
Derivative
- closely adv.
  - closeness n.
  - closish adj.
 
Etymology
ME: from OFr. clos, from L. clausum ‘enclosure’ and clausus ‘closed’ (past part. of claudere).
close2
 
/
kləʊz/
v.
       - move so as to cover an opening.
 - 
(also close something up)
 bring two parts of (something) together. 
▸make or become narrower or blocked:
 she felt her throat close up.
 - 
(close on/in on/up on)
 gradually get nearer to or surround. 
▸
(close with)
 come near, especially so as to engage with (an enemy force).
 ▸
(close in)
 (of days) get successively shorter with the approach of the winter solstice.
 - 
(close around/over)
 encircle and hold.
 - bring or come to an end. 
▸finish speaking or writing.
 ▸satisfactorily conclude (a business transaction).
 - 
(often close down/up)
 (of a business or other organization) cease to be open to the public or in operation.
 - make (an electric circuit) continuous.
 
n.
  - the end of an event or of a period of time or activity:
 the day drew to a close.
 - the shutting of a door.
 
Derivative
- closable adj.
  - closer n.
  - closing adj.
 
Etymology
ME: from OFr. clos-, stem of clore, from L. claudere ‘to shut’.