Pro-

//pɹoʊ// prefix

prefix ·Rare ·Advanced level

Definitions

Prefix
  1. 1
    agreeing with; supporting; favouring morpheme

    "Rohrabacher, who is considered to be among the most pro-Russia members in Congress, met with Assange earlier this month and claims Assange told him that Russia was not involved in the hacking."

  2. 2
    forward movement morpheme

    "progress compared to regress"

  3. 3
    earlier; prior morpheme
  4. 4
    substituting for morpheme
  5. 5
    precursor (molecule) morpheme
Show 2 more definitions
  1. 6
    rudimentary morpheme
  2. 7
    in front of morpheme

Example

More examples

"Rohrabacher, who is considered to be among the most pro-Russia members in Congress, met with Assange earlier this month and claims Assange told him that Russia was not involved in the hacking."

Etymology

Etymology 1

From Latin pro (“in favour of, on behalf of”).

Etymology 2

From Latin pro- (“forward direction, forward movement”).

Etymology 3

From Ancient Greek πρό (pró, “before”).

Related phrases

pro-droppro-formpro-sentence

More for "pro-"

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.