Observational

How to spell observational

13 letters · 5 syllables

How to pronounce observational

Say the part in capitals loudest.

What does observational mean?

1. adjectiveRelating to or based on the act of watching, noting, or recording something rather than experimenting on it.

Observational in a sentence

• The study was purely observational, so the researchers changed nothing and simply recorded what happened.

• Her observational skills let her notice tiny details that other auditors missed.

Where does observational come from?

Language of origin: Latin

This word traces back to the Latin verb observare, which meant 'to watch over', 'to attend to', or 'to keep an eye on', built from the prefix ob- (here meaning 'towards' or 'at') and servare ('to watch, guard or keep'). The same servare lies behind words like 'preserve', 'reserve' and 'conserve', all of which carry the idea of keeping or guarding something. English took 'observe' through Old French in the late 1300s, and the abstract noun 'observation' followed soon after to name the act of watching or noting. The adjective 'observational' is a later, more scientific formation, appearing in English around the 1800s as careful watching became central to method in astronomy, medicine and the social sciences. The spelling trap sits in the unstressed middle: the -serv- root and the long -ation- chain both reduce to faint schwa sounds, which tempts writers to drop or swap vowels, yet the breakdown into observe plus ation plus al keeps every letter accounted for.

How the word is built

• ob- (towards, at)
• serv (from servare: to watch, keep)
• -ation (act/result)
• -al (adjective suffix)