Adactylous is a word that means "without digits" or "having no fingers or toes." Some possible synonyms for this word include "digitless," "lacking fingers," "nondactylous," "unfingered," "fingerless," and "toeless." Other related words and phrases might include "amputated," "defective," "impaired," "incomplete," or "deformed." While these words may not have exactly the same meaning as adactylous, they can be used to describe animals or people who are missing fingers or toes, or who have other deformities or injuries that affect their ability to use their hands or feet.