approximate

Short definition from Wiktionary

Adjective

1. 1
   Approaching; proximate; nearly resembling.
2. 2
   Nearing correctness; nearly exact; not perfectly accurate.
3. 3
   Drawn close together, but not united.

Noun

1. 1
   An approximate result or quantity.

Verb

1. 1
   To estimate.
2. 2
   To come near to; to approach.
3. 3
   To carry or advance near; to cause to approach.