Word Structure

WordHub has a local lexical record for “Unsustainable” with pronunciation and root analysis.

• un-

  not

  Forms: un

• sus-

  under, below lower in rank; to a lesser degree; forming a division into smaller or less important parts; with less than the normal amount of

  Forms: sub, suc, suf, sug, sum, sup

• tain

  to hold

  Forms: ten, tent, tain, tin

• -able

  that can be ~ed; able to be ~ed

  Forms: able, ible