The term AS AN EXCUSE WEAK can be broken down into six crossword solutions: LAME (4 letters), PATHETIC (8 letters), FEEBLE (6 letters), FLIMSY (6 letters), LAMER (5 letters), and ALIBI (5 letters). All of these words are synonyms for the phrase 'weak excuse, ' which is used to describe an excuse that is not convincing or believable. LAME, PATHETIC, FEEBLE, and FLIMSY all refer to something that is weak or inadequate, while LAMER and ALIBI both refer to a false excuse or story used to avoid responsibility.