ineffective vs toothless

ineffective and toothless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
ineffective	No	Yes	No	No
toothless	No	Yes	No	No

ineffective (adjective)	toothless (adjective)
not producing an intended effect	lacking teeth
lacking in power or forcefulness	lacking necessary force for effectiveness
lacking the ability or skill to perform effectively; inadequate