preposition

against

against, in opposition to, in contact with, in contrast to

He voted against the new law.

He voted against the new law.

She leant against the wall.

She leaned against the wall.

It's against the rules.

It's against the rules.

The painting looks good against the white wall.

The painting looks good against the white wall.

((sth./sb.)) in opposition to (sth./sb.) He voted against the new law.

((sth./sb.)) in physical contact with (sth./sb.) She leaned against the wall.

Synonyms: versus, opposite; Antonyms: for, with

From Old English 'ongean', meaning 'towards, opposite'. The 'a-' is a form of 'on'.

Picture two forces pushing 'against' each other.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.