adequate

Satisfactory or acceptable in quantity or quality; sufficient for a purpose.

• adequacy/ˈædɪkwəsi/(n)足够；适当性
• adequately/ˈædɪkwɪtli/(adv)足够地
• inadequate/ɪnˈædɪkwɪt/(adj)不够的；不足的

• adequate funding
• adequate preparation
• more than adequate
• barely adequate
• adequate for the purpose
• an adequate response
• feel inadequate

1. 1.The current funding is adequate for running the service but not for expanding it.
2. 2.Critics argued the government's response to the crisis was barely adequate given the scale of the problem.

• sufficient/səˈfɪʃənt/— enough; often slightly more positive
• satisfactory/ˌsætɪsˈfæktəri/— good enough; acceptable
• acceptable/əkˈsɛptəbəl/— meeting minimum standards

from Latin "adaequatus" = made equal to, from "ad-" + "aequus" (equal)