We found 2 dictionaries that define the word if necessary:

General (2 matching dictionaries)

1. if necessary: Merriam-Webster
2. If-necessary, if-necessary: Wordnik

Phrases: if something is necessary, review and update if necessary, more... ▸ Words similar to if necessary ▸ Usage examples for if necessary ▸ Idioms related to if necessary ▸ Wikipedia articles (New!) ▸ Words that often appear near if necessary ▸ Rhymes of if necessary ▸ Invented words related to if necessary