| elusive(adjective, hazy, indistinct, indeterminate) |
| equivocal(adjective, rough, vague, unknown, unclear) |
| faint(adjective, unclear, indistinct, indistinguishable) |
| hit-or-miss |
| inadequate(adjective, false, vague, insufficient, deficient) |
| indeterminable(adjective, vague, unknown, general, unclear) |
| indifferent(adjective, soft, careless, common, tolerant) |
| indistinguishable(unclear, hazy, indistinct, indeterminate) |
| invalid |
| lenient(adjective, soft, careless, indifferent, common) |
| misleading(adjective, wrong, false, dishonest, incorrect) |
| misty |
| negligent(soft, tolerant, slack, lenient, remiss) |
| off(wrong, false, incorrect, inexact, erroneous) |
| off the beam |
| offhand(adjective, casual, random, haphazard, unfussy) |
| out of line(expression, adjective, idiom, wrong, false) |
| overindulgent(soft, tolerant, slack, lenient, remiss) |
| perfunctory(adjective, casual, vague, unclear, haphazard) |
| permissive(soft, tolerant, lenient) |