Synonyms for tooth and nail

Most common

tooth and claw · earnestly · resolutely · strenuously

All synonyms

Adverb

Definitions

1. adv. 1

   Viciously; with all one's strength or power; without holding back.

   For a century, the two families fought tooth and nail over control of the land.

Example sentences

• earnestly He tends to consider things too much earnestly.
• resolutely Tom wasn't for stopping: he went on resolutely.
• strenuously He strenuously denied the claims made against him.

By length

9 letters

earnestly³

10 letters

resolutely⁴

11 letters

strenuously⁴

The small number after each word is its number of syllables (earnestly³ = 3 syllables).