Meaning

(no longer productive) In verbs: denoting the sense "through", as in perforate..

Definitions by Sense

1. (no longer productive) In verbs: denoting the sense "through", as in perforate.
2. (no longer productive) In verbs: denoting the sense "thoroughly", as in perfect.
3. (no longer productive) In verbs: denoting the sense "to destruction", as in pervert.
4. (no longer productive) In adjectives and adverbs: denoting the sense "extremely", as in perfervid.
5. (chemistry) Forming nouns and adjectives denoting the maximum proportion of one element in a compound, as in peroxide.
6. (chemistry) Added to the name of an element in a polyatomic ion to denote the number of atoms of that element (usually four).
7. (no longer productive) Denoting the sense "by" or "per", as in perchance or perhaps.

Synonyms for per-

When Should You Use Per-?

Use per- when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.

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