| Main Entry: | |
| Part of Speech: | noun |
| Definition: | obstruction |
| Synonyms: | dead spot, unseen area |
| Main Entry: | failing |
| Part of Speech: | noun |
| Definition: | lapse, shortcoming |
| Synonyms: | blind spot, defect, deficiency, drawback, error, failure, fault, flaw, foible, frailty, imperfection, infirmity, miscarriage, misfortune, vice, weak point, weakness |
| Notes: | a failing is a flaw or weak point or a failure to reach a minimum required performance; a foible a minor weakness or failing of character |
| Antonyms: | advantage, strength, strong point |
| Main Entry: | blind side |
| Part of Speech: | noun |
| Definition: | unguarded side |
| Synonyms: | blind spot, weak side |