1. Not to be placated or appeased or moved by entreaty
   - grim, inexorable, relentless, stern, unforgiving, unrelenting

See also: implacable

• explicate
• explication
• explication de texte
• explicative
• explicator
• explicit
• explicit definition
• explicitly
• explicitness
• explode
• explode a bombshell
• exploded
• exploding cucumber
• exploit
• exploitable
• exploitation
• exploitative
• exploitatory
• exploited
• exploiter
• exploitive
• exploration
• explorative
• exploratory
• exploratory survey