Rock solid synonyms | phrases

Phrases with similar meaning for Rock solid

• dyed-in-the-wool

  certain
• tried-and-true

  reliable, certain
• come-through

  certain
• counted on

  certain
• never-failing

  certain
• on the level

  reliable
• true-blue

  reliable
• always there

  reliable
• on up and up

  reliable
• to be trusted
• up-front
• based on hard data

  based on sound reasoning
• based on hard facts

  based on sound reasoning
• rock-solid

  based on sound reasoning
• true blue
• on up-and-up
• in the flesh
• in human form
• made flesh
• well-founded
• well-grounded
• sworn to
• taken for granted
• taken as known
• matter-of-course