if

if · conjunction

imported

Definitions

conjunction

  1. 1.

    Introducing a conditional clause.

  2. 2.

    Introducing a clause expressing a wish or hypothetical situation.

  3. 3.

    Whether (in indirect questions).

  4. 4.

    Even though; although.

  5. 5.

    Whenever.

  6. 6.

    A condition or supposition.

Phrases & expressions

  • •
    if and when — at whatever time; in the event that
  • •
    if only — expressing a wish for something different
  • •
    if anything — on the contrary; rather
  • •
    if need be — if necessary
  • •
    what if — what would happen in case
  • •
    no ifs, ands, or buts — no excuses

Related words

See also: provided, unless, when, whether
Synonyms: on condition that, provided that, supposing

Etymology

From Old English "gif" (if), from Proto-Germanic "jabai," possibly related to "gebaną" (to give). Cognate with German "ob" (if, whether). The word has been a fundamental conditional marker in English throughout its history.