Er en blandet ordklasse, der lægger sig til verber (udsagnsord), adjektiver (tillægsord), andre adverbier eller hele sætninger.

Tilføjer ofte endelsen ‘ly’ på adjektiver (tillægsord): Slowly, nervously.

Adverbier kan inddeles i, hvad de siger noget om. F.eks.

• Måder: She hurt herself BADLY.
• Grader: The piano was RATHER heavy
• Steder: All the children ran UPSTAIRS.
• Tider: SOON all the others started throwing snowballs.
• Henseender: They did not agree POLITICALLY.
• Sandsynligheder: He CERTAINLY did a good job.
• Holdninger: The coach spoke FRANKFULLY to the team.
• Kommentarer: It was a beautifull day, STILL they did not have fun.

Forskellen på adjektiv og adverbium:

Adjektiver siger alene noget om substantiver. F.eks.:

• Adjektiv: It was a SUDDEN attack. (Beskriver kun navneordet)
• Adverbium: They attacked SUDDENLY. (Beskriver sætningen ‘They attacked’).

Eksempler på adverbier:

• Måder: BADLY, WELL, ANGRILY, SMILINGLY, UNEXSPECTEDLY.
• Grader: RATHER, VERY, UNUSUALLY, ENORMOUSLY, ENOUGH.
• Steder: UPSTAIRS, HERE, ABROAD, BACK, HOME, OUTSIDE.
• Tider: SOON, NOW, THEN, LONG, BRIEFLY, NEVER, SOMETIMES, OFTEN.
• Henseender: POLITICALLY, INTERNATIONALLY, OTHERWISE, MONEYWISE.
• Sandsynligheder: CERTAINLY, PROBABLY, PERHAPS, MAYBE, POSSIBLY.
• Holdninger: FRANKFULLY, HOPEFULLY, FORTUNATELY, NATURALLY, OBVIOUSLY.
• Kommentarer: STILL, HOWEVER, THEREFORE, CONSEQUENTLY.