Definitions for "Unsatisfactory"
To present participles which come from intransitive verbs, or are themselves employed as adjectives, to mark the absence of the activity, disposition, or condition implied by the participle;
not giving satisfaction; "shops should take back unsatisfactory goods"; "her performance proved to be unsatisfactory"; "life is becoming increasingly unsatifactory"; "our discussion was very unsatisfactory"
nonpassing neutral grade in courses graded on the S–U basis.
A safety rating received as a result of a compliance review. An Unsatisfactory rating is defined as: a motor carrier does not have adequate safety management controls in place to ensure compliance with the safety fitness standard which has resulted in occurrences listed in Section 385.5 (a) through (k). Motor carriers receiving an "unsatisfactory safety rating" may be subject to the provisions of Section 385.13.