Definition
The feature [+/-approximant] accounts for speech sounds which are articulated with a constriction in the vocal tract that narrows but does not close fully (i.e., has a wider constriction in the vocal tract). Sounds that are [+approx] include all sonorants, except for nasals. Sounds that are [-approx] are those articulated with a complete or narrower closure of the vocal tract, including obstruents and nasals.
Examples
- Hul’q’umi’num’
- The following sounds in Hul’q’umi’num’ are possible members of the [+approx] natural class.

- Skwxwú7mesh
- The following sounds in Skwxwú7mesh are possible members of the [+approx] natural class.

- Secwepemctsín
- The following sounds in Secwepemctsín are possible members of the [+approx] natural class.
