Meaning of SMEAR in English

SMEAR

■ verb

1》 coat or mark with a greasy or sticky substance.

↘spread (a greasy or sticky substance) over a surface.

↘blur or smudge.

2》 damage the reputation of (someone) by false or unwarranted accusations.

■ noun

1》 a greasy or sticky mark.

2》 a false or unwarranted accusation.

3》 a sample thinly spread on a microscopic slide.

↘ Brit. short for ~ test .

4》 Climbing an insecure foothold.

Derivatives

~er noun

~y adjective

Origin

OE smierwan (v.), smeoru 'ointment, grease', of Gmc origin.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.