opposite to something

antagonistic; opposite

that cannot be compared in quality, amount etc

at odds, different

a person who actively disagrees

disagreeing, differing

not agreeing; harsh in (musical) tone

different, conflicting

a framework of wooden or metal bars placed across an opening such as a window, used to keep out burglars or to allow air to flow through

irritating; scraping

rough and unpleasant

rough, crude (to the senses)

(formed of parts) of different kinds

assorted, miscellaneous

sounding rough and harsh

raspy in voice

not paying attention to the conventions of society; incorrect

not suitable

nor coherent

unintelligible

not able or suitable to exist together

antagonistic, contradictory

not in harmony or agreement; out of place

out of place; absurd

not consistent; contradictory; having parts that do not agree

contradictory, irregular

(of a person, opinions, plans etc) that cannot reach an agreement

hostile, conflicting

(of sounds) rough and loud

noisy, rough

(of sounds, voices) very high and long

high-pitched, harsh in sound

not congenial

incompatible

not suitable or good enough; not healthy, strong

not appropriate or suited

not like; different from

different

not suitable

not proper, inappropriate