specialise
Formsspecialises, specialising, specialised
US spellingspecialize · also used in the UK
- 1To study or work mainly on one subject, skill or kind of thing, more than any other.
She wants to specialise in children's medicine.
The little shop on the high street specialises in second-hand books.
UsageSay specialise in something: specialise in maths, specialise in old books.
Similarfocus, concentrate
- 2To change something, such as an animal or a part of its body, so it is suited to one special job.
Over a very long time, nature has specialised the mole's front feet for digging.
Over millions of years, evolution can specialise a simple front leg into a wing.
UsageOften said as specialised for a job: a beak specialised for cracking seeds.
Similaradapt
Note
- 3To change over time into a more distinct form, often suited to one special job or role.
As a baby grows inside its mother, its cells begin to specialise.
Over thousands of years the island's birds specialised, and each kind ate a different food.
UsageSay cells specialise into something, such as muscle or nerve cells.
Similardifferentiate
Less common meanings
- 4
- 5To be known for one particular thing, usually something bad or annoying.
That garage seems to specialise in losing people's car keys.
My brother specialises in arriving late to every family party.
UsageSaid as a joke or complaint, with in: he specialises in being late.
Note
- 6
- 7To talk about the exact details of something, not just in general.
Firſt laſh the Great-ones ; but, if thou be wiſe, / In generall, and doe not ſpeciallize : / Yet, if thou doe, ſo wiſely let it be, / None may except but thoſe that faulty be.
1613, George Wither, “The Scourge”Note
- 8To train someone so that they can do one special kind of work.
"Kia, Honey, you got to help him to it," Bell Norton told the 16 year old girl she was "specializing" as part of the hospital's intensive care program for high risk babies and mothers.
1981, Andrea L. Loewenstein, “Voices in the Night”
Practice
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Origin
Made from special and -ise.
Checked 5 Nov 2026 · 1 fact
- Specialise is formed from special and -ise. en.wiktionary.org