a combination of -ic and -al1, used in forming adjectives from nouns (rhetorical), providing synonyms to words ending in -ic (poetical), and providing an adjective with additional meanings to those in the -ic form (economical).

Nearby words

Origin of -ical

Middle English < Latin -icālis. See -ic, -al1
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British Dictionary definitions for -ical


suffix forming adjectives

a variant of -ic economical; fanatical

Derived Forms

-ically, suffix forming adverbs

Word Origin for -ical

from Latin -icālis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012