Word Pronunciation & Dictionary

investigational

/ˌɪnvɛstɪɡˈeɪʃənəl/

Word Rarity Rare

Frequency: 2.55 in modern English

Syllables: in-ves-ti-ga-tion-al
IPA: /ˌɪnvɛstɪɡˈeɪʃənəl/

19

Scrabble Score

15

Letters

6

Syllables

10

Unique Chars

Meaning

adj

Of, or relating to investigating, or to an investigation.

adj

of, or relating to an unapproved drug or chemical entity being studied.

Example Sentences

"An expanded access protocol allows patients to benefit from an investigational drug prior to FDA approval."

Etymology

Etymology tree Middle English investigacioun English investigation English -al English investigational From investigation + -al.

Derived Forms

investigationally noninvestigational

Rhymes With

educational operational recreational organizational inspirational occupational vocational computational sensational gravitational motivational generational

Questions

How do you pronounce investigational?: The recorded pronunciation is /ˌɪnvɛstɪɡˈeɪʃənəl/.
What does investigational mean?: Of, or relating to investigating, or to an investigation.
Where does investigational come from?: Etymology tree Middle English investigacioun English investigation English -al English investigational From investigation + -al.

How to pronounce investigational

Open the pronunciation page — Open the Speakur entry for “investigational”.
Read the phonetic spelling — Read the IPA spelling (/ˌɪnvɛstɪɡˈeɪʃənəl/) so you know which sounds to aim for.
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Repeat and practice — Say “investigational” aloud, matching stress and vowels until it feels natural.