spiderly vs arachnidian

spiderly and arachnidian both are adjectives.

Word	Noun	Adjective	Verb	Adverb
spiderly	No	Yes	No	No
arachnidian	No	Yes	No	No

As adjectives, spiderly and arachnidian are synonyms defined as:

spiderly and arachnidian: relating to or resembling a member of the class Arachnida

Other synonyms of spiderly include arachnoid, spiderlike, spidery.

spiderly (adjective)	arachnidian (adjective)
relating to or resembling a member of the class Arachnida	relating to or resembling a member of the class Arachnida