Word Search

Prefixes: im, il, in, and ir Word Search

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About:

This 15-word word search teaches negative prefixes—im, il, in, and ir—for Grades 3–4. Hidden words include impossible, invisible, irresponsible, and irregular, all sharing one of these prefixes. Use it as a vocabulary warm-up during a prefixes unit, a reading-group station, or a sub-plan activity for word-study practice.

Subject:: English / Language Arts
Topic:: Vocabulary
Grade Level:: 3rd – 4th Grades
Updated July 2026

Word List

IMPRACTICAL
IMPOSSIBLE
IMMATURE
IMPERFECT
IMPATIENT
ILLEGAL
ILLOGICAL
ILLITERATE
INVISIBLE
INCREDIBLE
INVALID
IRREGULAR
IRRESISTIBLE
IRRELEVANT
IRRESPONSIBLE

How to Use This Word Search

Print this word search for early finishers, vocabulary review, or classroom warm-ups. Click 'View Word Search' to change the grid size, swap words, or adjust difficulty before downloading.