Inflection
A change in a word's form to express grammatical features such as tense, number, case, or person, without changing the word's core meaning.
Why it matters
Inflection distinguishes related forms of the same word (walk, walks, walked) from derivations (walker, walkable). The distinction structures dictionaries and language learning.
Examples
- cat → cats (number)
- walk → walked (tense)
- she → her (case)
Best practices
- Separate inflectional from derivational morphology when studying word families
- Drill irregular inflections explicitly in second-language study
Frequently asked questions
Is inflection important for beginners?
inflection matters at every skill level, but beginners benefit most from understanding the basic concept rather than every edge case. Building a working mental model of inflection early prevents recurring mistakes in linguistics.
How do I practice inflection effectively?
Practice inflection through deliberate isolation drills first, then through integrated play. Two short focused sessions per week will yield steady measurable gains within a month.
Where can I read more about inflection?
Cross-reference the related terms below and explore the academy articles linked from this entry; both provide deeper applied context for inflection.
Related terms
Derivation
The morphological process of forming a new word — often of a different part of speech — by adding affixes to a base.
TermMorphology
The linguistic study of word structure — how words are formed from smaller meaning-bearing units called morphemes.
TermWord Family
A group of words sharing a common root, including inflections and derivations.
Written and reviewed by
Keiron Brown, Psy.D.
Clinical Psychologist · Founder & Editor, WordRushTools
Relationale LLC · 5530 S. University Drive, 3212, Davie, FL 33328
Keiron Brown, Psy.D., is a clinical psychologist and the founder of Relationale LLC, which publishes WordRushTools. His doctorate is in psychology, which is directly relevant to the site's material on vocabulary learning, memory and practice; the Scrabble, crossword and solver content rests on published word lists and reference works, not on clinical expertise.
Last reviewed: by Keiron Brown. Reference and strategy pages are reviewed annually, and sooner where the underlying word lists change.
Not a clinical or educational service: Nothing on WordRushTools is intended or designed to be, or to replace, mental health services, psychological assessment or treatment, diagnosis, therapy, or educational or special-education services. Word games are not a treatment for any condition, and we make no claim that playing them prevents cognitive decline.