1. [adj]  located close together; "with heads close together"; "approximate leaves grow together but are not united"
2. [adj]  very close in resemblance; "sketched in an approximate likeness"; "a near likeness"
3. [adj]  not quite exact or correct; "the approximate time was 10 o'clock"; "a rough guess"; "a ballpark estimate"
4. [v]  form an opinion about; judge tentatively; form an estimate of, as of quantities or time; "I estimate this chicken to weigh at three pounds"
5. [v]  be close or similar; "Her results approximate my own"

APPROXIMATE is a 11 letter word that starts with A.

1. \Ap*prox"i*mate\, a. [L. approximatus, p. p. of
   approximare to approach; ad + proximare to come near. See
   {Proximate}.]
   1. Approaching; proximate; nearly resembling.
   2. Near correctness; nearly exact; not perfectly accurate;
      as, approximate results or values.
   {Approximate quantities} (Math.), those which are nearly, but
      not, equal.
   

2. \Ap*prox"i*mate\, v. t. [imp. & p. p.
   {Approximated}; p. pr. & vb. n. {Approximating}.]
   1. To carry or advance near; to cause to approach.
            To approximate the inequality of riches to the level
            of nature.                            --Burke.
   2. To come near to; to approach.
            The telescope approximates perfection. --J. Morse.
   

3. \Ap*prox"i*mate\, v. i.
   To draw; to approach.