intelligible
adj. B2 Upper Intermediate US //ˌɪnˈtɛɫədʒəbəɫ// UK //ɪntˈɛlɪdʒəbəl// in·tel·li·gi·ble
adj. easy to understand. You use this to describe words, writing, or ideas that are clear and not confusing.
adj. capable of being understood; clear and comprehensible. Often used to describe speech, writing, or logical arguments that lack ambiguity.
The instructions are clear and intelligible to everyone.
After speaking for several hours, the professor's accent became less intelligible to the students.
From Middle French intelligible, from Old French, from Latin intelligibilis.