Synonyms for fastly

Most common

fast · firmly · tightly · securely

All synonyms

Adverb

Definitions

1. adv. 1

   In a secure or firm manner; securely

   We tied the rope fastly this time; we didn't want it to get away again.

Example sentences

• fast My sole idea was to get there as fast as possible.
• firmly She is firmly determined to own a store of her own.
• tightly She sighed and clasped her hands tightly together.
• securely Please make sure the faucet is securely fastened.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

4 letters

fast¹

6 letters

firmly²

7 letters

tightly²

8 letters

securely³

The small number after each word is its number of syllables (firmly² = 2 syllables).