The term 'ghastly looking' can be described by two crossword solutions: ASHY (4 letters) and WAN (3 letters). ASHY is an adjective that describes a pale, grayish color, often associated with death or sickness. WAN is an adjective that describes a person or thing that looks weak, pale, or sickly. Together, these two words describe something that looks very pale, sickly, and weak, which could be considered ghastly looking.