bottomless
词形变化：
同义词：
deep | plumbless | unsounded | abysmal | baseless | soundless | abyssal | foundationless | immeasurable | unfathomable | unmeasured | unsupported | fathomless | mysterious | abundant | unlimited | unrestricted | endless | limitless | unending | infinite | never-ending | boundless |
反义词：
bottomed |
词义辨析：
同义:
a.没有根据的
baseless
foundationless
unsupported
a.深不可测的
deep
unsounded
unmeasured
soundless
plumbless
immeasurable
abyssal
abysmal
fathomless
unfathomable
mysterious
同义参见:
abundant