A word for religious practice
Religiosity is not a word used in the Bible. Today, it usually describes how strongly a person identifies with a religion and how consistently they practise it. Someone might be called religious because they pray, attend church, read Scripture, fast, give generously, or try to live by their convictions.
Those things are not automatically shallow. The first believers devoted themselves to the apostles' teaching, shared life, meals, and prayer (Acts 2:42). Jesus also assumed that his followers would give, pray, and fast. His concern was the motive: people should not practise devotion merely to gain attention from others (Matthew 6:1-4).
So religiosity can be a helpful description, but it does not tell the whole story. God sees beneath the habit to the heart.
And they continued stedfastly in the apostles' doctrine and fellowship, and in breaking of bread, and in prayers.
When religion becomes outward only
Jesus spoke firmly to religious leaders who said the right things about God while keeping their hearts at a distance from him (Mark 7:6-8). Their problem was not that they cared about worship or God's law. The trouble came when human rules and public reputation mattered more than true obedience.
He made the point again when he challenged Pharisees over their tithing. They were careful with tiny details, yet they neglected justice, mercy, and faith, which Jesus described as weightier matters (Matthew 23:23). A person can look devoted while overlooking the people God calls them to love.
That warning is for everybody. Church attendance, Bible knowledge, and familiar Christian language are good gifts, but none of them should become a mask for bitterness, dishonesty, or pride.
He answered and said unto them, Well hath Esaias prophesied of you hypocrites, as it is written, This people honoureth me with their lips, but their heart is far from me. Howbeit in vain do they worship me, teaching for doctrines the commandments of men. For laying aside the commandment of God, ye hold the tradition of men, as the washing of pots and cups: and many other such like things ye do.
God welcomes humble trust
In Jesus' story of the Pharisee and the tax collector, the Pharisee relied on his own religious record. The tax collector came with no impressive claim, simply asking God for mercy (Luke 18:9-13). Jesus said that the humble man, rather than the self-confident one, went home justified, meaning accepted as right before God (Luke 18:14).
This does not mean prayer, worship, service, and obedience do not matter. It means they cannot be used to prove that we are better than other people or to earn God's love. Paul describes Christian life as offering ourselves to God in response to his mercy, with our minds and lives being renewed (Romans 12:1-2).
Real devotion is not a performance. It is a grateful response to God.
What healthy devotion looks like
Healthy religiosity gives faith a shape in everyday life. It can include gathering with believers, praying when nobody sees, learning Scripture, caring for neighbours, confessing sin, and choosing forgiveness when it costs something. These practices help faith take root.
James gives a particularly practical test. He connects genuine worship with self-control in speech and compassionate care for vulnerable people, rather than religion that only looks impressive (James 1:26-27). Paul likewise points to the fruit the Spirit grows in believers: love, joy, peace, patience, gentleness, goodness, faith, meekness, and self-control (Galatians 5:22-23).
A worthwhile question is not only, "How religious am I?" It is also, "Is God's love making me more truthful, merciful, and humble?" Keep the practices that draw you towards God, and ask him to make them honest and life-giving.
Pure religion and undefiled before God and the Father is this, To visit the fatherless and widows in their affliction, and to keep himself unspotted from the world.