English to English Dictionary

Obliged

Required or constrained by law, conscience, or force to do something.

Observatory

A room or building housing an astronomical telescope or other scientific equipment for the study of natural phenomena.

Observe

To watch carefully the way something happens or someone behaves.

Obsidian

A dark, glasslike volcanic rock that forms when lava cools rapidly without crystal growth.

Obsolete

No longer produced or used; out of date.

Offend

To cause to feel hurt, angry, or upset by rude or disrespectful behavior.

Official Title

The formal, legally or administratively recognized designation of a person's position, office, or rank.

On-file

Kept in an office, system, or database for official record, reference, or future use.

On-key

Singing or playing music accurately in tune with the correct pitch or musical key.

One-hit-wonder

An artist, band, or creator who achieves substantial success or popularity with only one notable work, typically a song, followed by obscurity or minor subsequent successes.

Online persona

A social role or a character adopted by an author, celebrity, or internet user on the internet or social media platforms.

Operational Issue

A problem, malfunction, or bottleneck that disrupts the normal day-to-day functioning, processes, or procedures of an organization.