1. in a manner that is narrow-minded, intolerant, or unwilling to respect different views and beliefs
2. in a stingy or ungenerous manner; without liberality
Usage: archaic or formal

Examples

• The critic illiberally dismissed all modern art without considering its merits.
• He illiberally refused to acknowledge any perspective different from his own.
• The regime illiberally suppressed freedom of speech and assembly.
• She illiberally withheld praise, even when her employees performed well.
• The organization illiberally restricted membership to a select few.
• They illiberally interpreted the rules to exclude certain groups.